Barium sulfate
CAS No.: 7727-43-7 Formula: BaO4S Molecular Weight: 233.39000
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Barium sulfate

CAS No.: 7727-43-7 Formula: BaO4S Molecular Weight: 233.39000
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Description

Barium sulfate (or sulphate) is the inorganic compound with the chemical formula BaSO4. It is a white crystalline solid that is odorless and insoluble in water. It occurs as the mineral barite, which is the main commercial source of barium and materials prepared from it. The white opaque appearance and its high density are exploited in its main applications.

Basic Info

Chemical Name Barium sulfate
Synonyms

Precipitated Barium Sulfate; Barium sulphate; Actybaryte; Barifine BF 1L; BSP 1 (salt); Barifine BF 25; Precipitated Barium Sulfate 300; Barico 300W; Barifine BF 1P; Barifine BF 21; Barifine BF 20; A 1; BMH-D; Bariace B 100; Exbar 4; Baryte EX; ST 1; Blanc Fix; C 300 (sulfate); BF 40; Blanc fixe XR-HR; Microbar 139; Blanc fixe XR-HX; Sparwite W 5HB; P 1 (sulfate); BB 02; AD; Sachtoperse AB-TM 18383; Barita W 2; ECP-B 2; SS 60 (sulfate); Baricon Meal; AY-F 300; Blanc fixe FX; Barifine BF 1; KCB 03; Lakabar SF; Nuocheng E 340; UD (filler); A 15 (inorganic compound); KCB 01; Barico 100; HY-A 03; Barifine BF 40; BB 1; E 340; Fixe M; Mikabarium B; BF 1H; Huberbrite; Bariace B 35T; AY 2; Mikabarium F; AY-L 100F; BF 1L; Portaryte B 40/10; B 1 (sulfate); BM 110; BF 20; BF 21; JM 3B; BF 25; Cimbar NF; Bartex 10; Blanc fixe Micro; BMH 80; GY 2500; BMP 270; BMH 100; Blanc fixe K 3; Blanc fixe NC 30; C.I. 77120; Baritogen Deluxe; B 300 (sulfate); BF 30; A 15; Cherokee Baryte 290; NFJ 3-1999; BF 33; W 5HB; BS 110; BF 21F; F 8660; BS 115; Barite BNW; HG-LFP; Blanc fixe; Brilliant N; Cimbar PC; Spezialsorte AI; Sachtoperse HU-N Spezial; P 25 (sulfate); W 10; B 20HD; BMH 60; BF 10H; BS 125; ST (sulfate); Blanc AXE Super F; Barium sulfate 100; AB 03N; BC (inorganic compound); Bariclear BF 20FW; Supramike; Umbrasol A; BF 10; Barico 300; HY-A 06; Barium sulfate (1:1); Lactobaryt; Mixobar; SS 50 (sulfate); Bariace BMH; Bakontal; Sakai 300R; Polywate 325; W 1 (filler); LC 330; Cimbar BF; Barytes 22; Blanc fixe HD 80; Velvolux K 3; Bartex OWT; Baramite 10; B 33; L 288; B 34; BMH 40; B 31; B 32; Bariace BF 20; B 30; B 35T; Portaryte D 150; Blanc fixe F; CB 1250A; BS 80; Unibaryt; A 200; Barosperse; ON 310; C 14 (inorganic compound); Blanc fixe N; Barite BC; Barite BD; Bangyi M 8001; Barite BA; H-LFM; E-Z-Paque; Barifine BF 21F; Sachtoperse N 20; Bianco Fisso; TS 2 (barium sulfate); BSM-M; 5AA; B 54 (sulfate); Pigment White 21; Blanc fixe ABR; Pigment White 22; B 35; B 55; BS 286; Barytmehl C 901; L 100 (inorganic compound); CB 1250; Sachtoperse HP; Baryta White; 300R; Sachtoperse HU; 744HB; 801A; Cimbar UF; Sachtleben Micro; HD (sulfate); Huberbrite B 10; Zhiyuan L 388; Bartex 65; Bariace B 54; Bariace B 55; A 200 (sulfate); Sachtoperse HU-N; Neobar; Sparwite W 10; 1012UF; BF 1; K 100 (sulfate); Sachtoperse HU-D; Solbar; Cimbar EX; ANA 2058; BM-E; BMH; Perlite Powder FBA; TH (sulfate); Bariko 300; Neobalgin; A 1985; Blanc Fixe Micro SP; P 30 (sulfate); AB 1600; C 001; Baritop P; Blank Fixe N; Citobaryum; VoLumen; Huberbrite 10; CF 38F; B 55H; BF 20P; Bariace B 32; Bariace B 33; Bariace B 34; Bariace B 35; PM 228; Micropaque; B 30NC; Bb-Micro SP; BA (sulfate); Blanc Fix Super F; Cimbar XF; Barotrast; L 668; BMH 1 (sulfate); BM/F; Baryte R 2; Bariace B 30; Bariace B 31; C.I. Pigment White 22; C.I. Pigment White 21; HU-D; Permanent white; Blanc fixe SP; AB 3000N1; AY-F 100; Eweiss; Barytes Grade B 50; Blanc fixe NC 50; Liquibarine; Enamel White; M 8001; 20HB; Blanfix; Barium sulfate BD; TS 2 (pigment); Blanc Fixe Super F; Solvay JM 3B; Sparmite; Hombright S; B 45 (sulfate); Bamstar S-200; PS 07; Huberbrite HB 10; TBY 30; Huberbrite 1; KS-NANFUN; AB 02; Prontobario; Barifine 100; Huberbrite 7; Bariko 100; JLH B7; Airwhite AW 5; Barytes 290; AY 103W; Finemeal; Baritop; Blanc fixe XR-HN; W 6 (sulfate); AY-F 200; Barifine BF 10; Baridol; W 44HB; Barium white; W 44HD; Diamelia 16; Barium 100; BAX; Barium sulfate (BaSO4); Sulfuric acid, barium salt (1:1); Expand

CAS No. 7727-43-7
Molecular Formula BaO4S
Molecular Weight 233.39000
PSA 88.64000
LogP -0.25720

Properties

Appearance & Physical State white powder
Density 4.5
Boiling Point 330ºC at 760 mmHg
Melting Point 1580ºC
Stability Stable.

Safety Info

RTECS CR0600000
Safety Statements S22; S24/25; S36; S26
HS Code 2833270000
Risk Statements R20/21/22
Hazard Codes Xn
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SAFETY DATA SHEETS

According to Globally Harmonized System of Classification and Labelling of Chemicals (GHS) - Sixth revised edition

Version: 1.0

Creation Date: Aug 16, 2017

Revision Date: Aug 16, 2017

1.Identification

1.1 GHS Product identifier

Product name Barium sulfate

1.2 Other means of identification

Product number -
Other names Barium sulphate

1.3 Recommended use of the chemical and restrictions on use

Identified uses For industry use only. Adhesives and sealant chemicals,Fillers,Paint additives and coating additives not described by other categories,Pigments,Plating agents and surface treating agents,Processing aids, not otherwise listed
Uses advised against no data available

1.4 Supplier's details

Company XiXisys.com
Address XiXisys.com
Telephone XiXisys.com
Fax XiXisys.com

1.5 Emergency phone number

Emergency phone number -
Service hours Monday to Friday, 9am-5pm (Standard time zone: UTC/GMT +8 hours).

2.Hazard identification

2.1 Classification of the substance or mixture

Not classified.

2.2 GHS label elements, including precautionary statements

Pictogram(s) No symbol.
Signal word

No signal word.

Hazard statement(s)

none

Precautionary statement(s)
Prevention

none

Response

none

Storage

none

Disposal

none

2.3 Other hazards which do not result in classification

none

3.Composition/information on ingredients

3.1 Substances

Chemical name Common names and synonyms CAS number EC number Concentration
Barium sulfate Barium sulfate 7727-43-7 none 100%

4.First-aid measures

4.1 Description of necessary first-aid measures

General advice

Consult a physician. Show this safety data sheet to the doctor in attendance.

If inhaled

Fresh air, rest.

In case of skin contact

Remove contaminated clothes. Rinse skin with plenty of water or shower.

In case of eye contact

First rinse with plenty of water for several minutes (remove contact lenses if easily possible), then refer for medical attention.

If swallowed

Rinse mouth.

4.2 Most important symptoms/effects, acute and delayed

Exposure Routes: inhalation, skin and/or eye contact Symptoms: Irritation eyes, nose, upper respiratory system; benign pneumoconiosis (baritosis) Target Organs: Eyes, respiratory system (NIOSH, 2016)

4.3 Indication of immediate medical attention and special treatment needed, if necessary

Immediate first aid: Ensure that adequate decontamination has been carried out. If patient is not breathing, start artificial respiration, preferably with a demand-valve resuscitator, bag-valve-mask device, or pocket mask, as trained. Perform CPR as necessary. Immediately flush contaminated eyes with gently flowing water. Do not induce vomiting. If vomiting occurs, lean patient forward or place on left side (head-down position, if possible) to maintain an open airway and prevent aspiration. Keep patient quiet and maintain normal body temperature. Obtain medical attention. /Barium and Related Compounds/

5.Fire-fighting measures

5.1 Extinguishing media

Suitable extinguishing media

Use dry chemical, carbon dioxide, water spray, or alcohol foam extinguishers ... If material or contaminated runoff enters waterways, notify downstream users of potentially contaminated waters. Notify local health and fire officials and pollution control agencies. From a secure, explosion-proof location, use water spray to cool exposed containers. If cooling streams are ineffective (venting sound increases in volume and pitch, tank discolors or shows any signs of deforming), withdraw immediately to a secure position ... The only respirators recommended for fire fighting are self-contained breathing apparatuses that have full facepieces and are operated in a pressure-demand or other positive-pressure mode.

5.2 Specific hazards arising from the chemical

Excerpt from ERG Guide 154 [Substances - Toxic and/or Corrosive (Non-Combustible)]: Non-combustible, substance itself does not burn but may decompose upon heating to produce corrosive and/or toxic fumes. Some are oxidizers and may ignite combustibles (wood, paper, oil, clothing, etc.). Contact with metals may evolve flammable hydrogen gas. Containers may explode when heated. For electric vehicles or equipment, ERG Guide 147 (lithium ion batteries) or ERG Guide 138 (sodium batteries) should also be consulted. (ERG, 2016)

5.3 Special protective actions for fire-fighters

Wear self-contained breathing apparatus for firefighting if necessary.

6.Accidental release measures

6.1 Personal precautions, protective equipment and emergency procedures

Use personal protective equipment. Avoid dust formation. Avoid breathing vapours, mist or gas. Ensure adequate ventilation. Evacuate personnel to safe areas. Avoid breathing dust. For personal protection see section 8.

6.2 Environmental precautions

Sweep spilled substance into covered containers. If appropriate, moisten first to prevent dusting. Personal protection: particulate filter respirator adapted to the airborne concentration of the substance.

6.3 Methods and materials for containment and cleaning up

Spill handling: evacuate and restrict persons not wearing protective equipment from area of spill or leak until cleanup is complete. Remove all ignition sources. Collect powdered material in the most convenient and safe manner and deposit in sealed containers. Ventilate area of spill or lead after clean-up is complete. It may be necessary to contain and dispose of this chemical as a hazardous waste. If material or contaminated runoff enters waterways, notify downstream users of potentially contaminated waters. Contact your Department of Environmental Protection or your regional office of the federal EPA for specific recommendations.

7.Handling and storage

7.1 Precautions for safe handling

Avoid contact with skin and eyes. Avoid formation of dust and aerosols. Avoid exposure - obtain special instructions before use.Provide appropriate exhaust ventilation at places where dust is formed. For precautions see section 2.2.

7.2 Conditions for safe storage, including any incompatibilities

Store at 25°C (77 deg F); excursions permitted to 15 to 30°C (59 to 86 deg F)

8.Exposure controls/personal protection

8.1 Control parameters

Occupational Exposure limit values

Recommended Exposure Limit: 10 Hour Time-Weighted Average: 10 mg/cu m, total particulate.

Recommended Exposure Limit: 10 Hour Time-Weighted average: 5 mg/cu m, respirable fraction.

Biological limit values

no data available

8.2 Appropriate engineering controls

Handle in accordance with good industrial hygiene and safety practice. Wash hands before breaks and at the end of workday.

8.3 Individual protection measures, such as personal protective equipment (PPE)

Eye/face protection

Safety glasses with side-shields conforming to EN166. Use equipment for eye protection tested and approved under appropriate government standards such as NIOSH (US) or EN 166(EU).

Skin protection

Wear impervious clothing. The type of protective equipment must be selected according to the concentration and amount of the dangerous substance at the specific workplace. Handle with gloves. Gloves must be inspected prior to use. Use proper glove removal technique(without touching glove's outer surface) to avoid skin contact with this product. Dispose of contaminated gloves after use in accordance with applicable laws and good laboratory practices. Wash and dry hands. The selected protective gloves have to satisfy the specifications of EU Directive 89/686/EEC and the standard EN 374 derived from it.

Respiratory protection

Wear dust mask when handling large quantities.

Thermal hazards

no data available

9.Physical and chemical properties

Physical state white powder
Colour Fine, heavy powder or polymorphous crystals
Odour Odorless
Melting point/ freezing point 1580ºC
Boiling point or initial boiling point and boiling range 330ºC at 760 mmHg
Flammability Noncombustible SolidNot combustible. Gives off irritating or toxic fumes (or gases) in a fire.
Lower and upper explosion limit / flammability limit no data available
Flash point no data available
Auto-ignition temperature no data available
Decomposition temperature 1600°C
pH 5% suspension in water is neutral to litmus paper
Kinematic viscosity no data available
Solubility 0.0002 % at 17.78°C (NIOSH, 2016)
Partition coefficient n-octanol/water (log value) no data available
Vapour pressure 0 mm Hg (approx) (NIOSH, 2016)
Density and/or relative density 4.5
Relative vapour density no data available
Particle characteristics no data available

10.Stability and reactivity

10.1 Reactivity

no data available

10.2 Chemical stability

Stable under recommended storage conditions.

10.3 Possibility of hazardous reactions

Not combustible.BARIUM SULFATE is non-combustible and non-toxic. Emits toxic sulfur oxides when heated to decomposition. Can act as an oxidizing agent, but usually does not. Reacts with reducing agents such as potassium, phosphorus or aluminum (heating with aluminum can cause an explosion).

10.4 Conditions to avoid

no data available

10.5 Incompatible materials

Phosphorus, aluminum [Aluminum in the presence of heat can cause an explosion.]

10.6 Hazardous decomposition products

When heated to decomposition it emits toxic fumes of /sulfur oxides/.

11.Toxicological information

Acute toxicity

  • Oral: LD50 Rat oral approx 307,000 mg/kg bw
  • Inhalation: no data available
  • Dermal: no data available

Skin corrosion/irritation

no data available

Serious eye damage/irritation

no data available

Respiratory or skin sensitization

no data available

Germ cell mutagenicity

no data available

Carcinogenicity

no data available

Reproductive toxicity

no data available

STOT-single exposure

no data available

STOT-repeated exposure

no data available

Aspiration hazard

no data available

12.Ecological information

12.1 Toxicity

  • Toxicity to fish: no data available
  • Toxicity to daphnia and other aquatic invertebrates: EC50; Species: Daphnia magna (Water Flea); Conditions: freshwater, static, 11.5-14.5°C, pH 7.2-7.8, dissolved oxygen 5.2-6.5 mg/L; Concentration: 52820 ug/L (43200-68140 ug/L) for 24 hr; Effect: intoxicaiton, immobilization
  • Toxicity to algae: no data available
  • Toxicity to microorganisms: no data available

12.2 Persistence and degradability

no data available

12.3 Bioaccumulative potential

no data available

12.4 Mobility in soil

no data available

12.5 Other adverse effects

no data available

13.Disposal considerations

13.1 Disposal methods

Product

The material can be disposed of by removal to a licensed chemical destruction plant or by controlled incineration with flue gas scrubbing. Do not contaminate water, foodstuffs, feed or seed by storage or disposal. Do not discharge to sewer systems.

Contaminated packaging

Containers can be triply rinsed (or equivalent) and offered for recycling or reconditioning. Alternatively, the packaging can be punctured to make it unusable for other purposes and then be disposed of in a sanitary landfill. Controlled incineration with flue gas scrubbing is possible for combustible packaging materials.

14.Transport information

14.1 UN Number

ADR/RID: Not dangerous goods. IMDG: Not dangerous goods. IATA: Not dangerous goods.

14.2 UN Proper Shipping Name

ADR/RID: unknown
IMDG: unknown
IATA: unknown

14.3 Transport hazard class(es)

ADR/RID: Not dangerous goods. IMDG: Not dangerous goods. IATA: Not dangerous goods.

14.4 Packing group, if applicable

ADR/RID: Not dangerous goods. IMDG: Not dangerous goods. IATA: Not dangerous goods.

14.5 Environmental hazards

ADR/RID: no IMDG: no IATA: no

14.6 Special precautions for user

no data available

14.7 Transport in bulk according to Annex II of MARPOL 73/78 and the IBC Code

no data available

15.Regulatory information

15.1 Safety, health and environmental regulations specific for the product in question

Chemical name Common names and synonyms CAS number EC number
Barium sulfate Barium sulfate 7727-43-7 none
European Inventory of Existing Commercial Chemical Substances (EINECS) Listed.
EC Inventory Listed.
United States Toxic Substances Control Act (TSCA) Inventory Listed.
China Catalog of Hazardous chemicals 2015 Not Listed.
New Zealand Inventory of Chemicals (NZIoC) Listed.
Philippines Inventory of Chemicals and Chemical Substances (PICCS) Listed.
Vietnam National Chemical Inventory Listed.
Chinese Chemical Inventory of Existing Chemical Substances (China IECSC) Listed.

16.Other information

Information on revision

Creation Date Aug 16, 2017
Revision Date Aug 16, 2017

Abbreviations and acronyms

  • CAS: Chemical Abstracts Service
  • ADR: European Agreement concerning the International Carriage of Dangerous Goods by Road
  • RID: Regulation concerning the International Carriage of Dangerous Goods by Rail
  • IMDG: International Maritime Dangerous Goods
  • IATA: International Air Transportation Association
  • TWA: Time Weighted Average
  • STEL: Short term exposure limit
  • LC50: Lethal Concentration 50%
  • LD50: Lethal Dose 50%
  • EC50: Effective Concentration 50%

References

  • IPCS - The International Chemical Safety Cards (ICSC), website: http://www.ilo.org/dyn/icsc/showcard.home
  • HSDB - Hazardous Substances Data Bank, website: https://toxnet.nlm.nih.gov/newtoxnet/hsdb.htm
  • IARC - International Agency for Research on Cancer, website: http://www.iarc.fr/
  • eChemPortal - The Global Portal to Information on Chemical Substances by OECD, website: http://www.echemportal.org/echemportal/index?pageID=0&request_locale=en
  • CAMEO Chemicals, website: http://cameochemicals.noaa.gov/search/simple
  • ChemIDplus, website: http://chem.sis.nlm.nih.gov/chemidplus/chemidlite.jsp
  • ERG - Emergency Response Guidebook by U.S. Department of Transportation, website: http://www.phmsa.dot.gov/hazmat/library/erg
  • Germany GESTIS-database on hazard substance, website: http://www.dguv.de/ifa/gestis/gestis-stoffdatenbank/index-2.jsp
  • ECHA - European Chemicals Agency, website: https://echa.europa.eu/

Disclaimer: The above information is believed to be correct but does not purport to be all inclusive and shall be used only as a guide. The information in this document is based on the present state of our knowledge and is applicable to the product with regard to appropriate safety precautions. It does not represent any guarantee of the properties of the product. We as supplier shall not be held liable for any damage resulting from handling or from contact with the above product.
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