118-52-5 structure, C5H6Cl2N2O2
1,3-Dichloro-5,5-dimethylhydantoin
CAS No.: 118-52-5 Formula: C5H6Cl2N2O2 Molecular Weight: 197.01900
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1,3-Dichloro-5,5-dimethylhydantoin

CAS No.:

118-52-5

Formula:

C5H6Cl2N2O2

Molecular Weight: 197.01900
Suppliers: All (127) China Suppliers (78) Price Available (16) Contractor (8)

Basic Info

Chemical Name

1,3-Dichloro-5,5-dimethylhydantoin

Synonyms

1,3-dichloro-5,5-dimethylimidazolidine-2,4-dione; 2,4-Imidazolidinedione, 1,3-dichloro-5,5-dimethyl-; 1,3-Dichloro-5,5-dimethyl-2,4-imidazolidinedione DCDMH;

CAS No.

118-52-5

Molecular Formula

C5H6Cl2N2O2

Molecular Weight

197.01900

PSA

40.62000

LogP

1.21260

Numbering system

MDL number MFCD00003190
EINECS number 204-258-7
BRN number 146013
RTECS number MU0700000

Properties

Appearance & Physical State

white to off-white crystalline powder

Density

1.58 g/cm3

Boiling Point

214.7ºCat 760 mmHg

Melting Point

131-136ºC

Flash Point

171ºC

Refractive Index

1.572

Water Solubility

0.21 g/100 mL (25 ºC)

Stability

Stable, but a strong oxidizer - contact with combustible material may lead to fire. Incompatible with reducing agents, acids, strong bases. Moisture sensitive.

Storage Condition

Keep container closed when not in use. Store in a tightly closed container. Store in a cool, dry, well-ventilated area away from incompatible substances. Store protected from moisture.

Vapor Pressure

0.153mmHg at 25°C

Safety Info

RTECS

MU0700000

Hazard Class

5.1

Safety Statements

S17-S26-S36/37/39-S45

HS Code

29332100

WGK Germany

3

Packing Group

II

RIDADR

UN 1479

Risk Statements

R8; R22; R34

Hazard Codes

C

SDS 1.0

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SDS 1.0

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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 10, 2017

Revision Date: Aug 10, 2017

1.Identification

1.1 GHS Product identifier

Product name 1,3-Dichloro-5,5-dimethylhydantoin

1.2 Other means of identification

Product number -
Other names 1,3-Dichloro-5,5-dimethyl-2,4-imidazolidinedione DCDMH

1.3 Recommended use of the chemical and restrictions on use

Identified uses For industry use only.
Uses advised against no data available

1.4 Supplier's details

Company MOLBASE (Shanghai) Biotechnology Co., Ltd.
Address Floor 4 & 5, Building 12, No. 1001 North Qinzhou Road,
Xuhui District, Shanghai, China
Telephone +86(21)64956998
Fax +86(21)54365166

1.5 Emergency phone number

Emergency phone number +86-400-6021-666
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

Oxidizing solids, Category 2

Acute toxicity - Oral, Category 4

Hazardous to the aquatic environment, short-term (Acute) - Category Acute 1

2.2 GHS label elements, including precautionary statements

Pictogram(s)
Signal word

Warning

Hazard statement(s)

H272 May intensify fire; oxidizer

H302 Harmful if swallowed

H314 Causes severe skin burns and eye damage

H400 Very toxic to aquatic life

Precautionary statement(s)
Prevention

P210 Keep away from heat, hot surfaces, sparks, open flames and other ignition sources. No smoking.

P220 Keep away from clothing and other combustible materials.

P280 Wear protective gloves/protective clothing/eye protection/face protection.

P264 Wash ... thoroughly after handling.

P270 Do not eat, drink or smoke when using this product.

P273 Avoid release to the environment.

Response

P370+P378 In case of fire: Use ... to extinguish.

P301+P312 IF SWALLOWED: Call a POISON CENTER/doctor/…if you feel unwell.

P330 Rinse mouth.

P391 Collect spillage.

Storage

none

Disposal

P501 Dispose of contents/container to ...

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
1,3-Dichloro-5,5-dimethylhydantoin 1,3-Dichloro-5,5-dimethylhydantoin 118-52-5 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

If breathed in, move person into fresh air. If not breathing, give artificial respiration. Consult a physician.

In case of skin contact

Wash off with soap and plenty of water. Consult a physician.

In case of eye contact

Rinse thoroughly with plenty of water for at least 15 minutes and consult a physician.

If swallowed

Never give anything by mouth to an unconscious person. Rinse mouth with water. Consult a physician.

4.2 Most important symptoms/effects, acute and delayed

Exposure Routes: inhalation, ingestion, skin and/or eye contact Symptoms: Irritation eyes, mucous membrane, respiratory system Target Organs: Eyes, respiratory system (NIOSH, 2016)

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

no data available

5.Fire-fighting measures

5.1 Extinguishing media

Suitable extinguishing media

Fires involving this material can be controlled with a dry chemical, carbon dioxide or Halon extinguisher.

5.2 Specific hazards arising from the chemical

Flash point data for this chemical are not available. It is probably combustible.

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

Prevent further leakage or spillage if safe to do so. Do not let product enter drains. Discharge into the environment must be avoided.

6.3 Methods and materials for containment and cleaning up

Absorb the spills with paper towels or the like materials. Place in hood to evaporate. Dispose by burning the towel.

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

Safe Storage of Pesticides. Always store pesticides in their original containers, complete with labels that list ingredients, directions for use, and first aid steps in case of accidental poisoning. Never store pesticides in cabinets with or near food, animal feed, or medical supplies. Do not store pesticides in places where flooding is possible or in places where they might spill or leak into wells, drains, ground water, or surface water.

8.Exposure controls/personal protection

8.1 Control parameters

Occupational Exposure limit values

Recommended Exposure Limit: 10 Hr Time-Weighted Avg: 0.2 mg/cu m.

Recommended Exposure Limit: 15 Min Short-Term Exposure Limit: 0.4 mg/cu m.

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 to off-white crystalline powder
Colour Four-sided, pointed prisms from chloroform
Odour Chlorine-like odor
Melting point/ freezing point 222°C(lit.)
Boiling point or initial boiling point and boiling range 222°C(lit.)
Flammability Combustible Solid
Lower and upper explosion limit / flammability limit no data available
Flash point 65°C(lit.)
Auto-ignition temperature no data available
Decomposition temperature no data available
pH pH of aqueous soln about 4.4
Kinematic viscosity no data available
Solubility In water:0.21 g/100 mL (25 ºC)
Partition coefficient n-octanol/water (log value) log Kow = -0.94 (est)
Vapour pressure 0.153mmHg at 25°C
Density and/or relative density 1.58 g/cm3
Relative vapour density 6.8 (Relative to Air)
Particle characteristics no data available

10.Stability and reactivity

10.1 Reactivity

no data available

10.2 Chemical stability

The dry crystals [combined available chlorine 77.6% (theory)] may be stored without much loss of available chlorine.

10.3 Possibility of hazardous reactions

... /It is/ combustible with evolution of chlorine at 210°C.1,3-DICHLORO-5,5-DIMETHYLHYDANTOIN reacts violently with xylene. It is incompatible with strong acids, easily oxidized materials, ammonia salts and sulfides. It will react with water or steam to produce toxic and corrosive fumes. At a pH of 9, it decomposes completely.

10.4 Conditions to avoid

no data available

10.5 Incompatible materials

Water, strong acids, easily oxidized materials such as ammonia salts & sulfides.

10.6 Hazardous decomposition products

When heated to decomposition it emits toxic vapors of /nitrogen oxide and hydrogen chloride/.

11.Toxicological information

Acute toxicity

  • Oral: LD50 Guinea pig oral 1350 mg/kg
  • 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

Cancer Classification: Not Likely to be Carcinogenic to Humans

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: LC50 Lepomis macrochirus (Bluegill, juvenile) 0.75 ppm/96 hr (95% confidence limit: 0.53-0.9 ppm); static
  • Toxicity to daphnia and other aquatic invertebrates: EC50 Daphnia magna (Water flea, age <24 hr; intoxication, immobilization) 0.84 ppm/48 hr (95% confidence limit: 0.77-0.91 ppm); static
  • Toxicity to algae: no data available
  • Toxicity to microorganisms: no data available

12.2 Persistence and degradability

no data available

12.3 Bioaccumulative potential

An estimated BCF of 19 was calculated for 1,3-dichloro-5,5-dimethylhydantoin(SRC), using water solubility of 500 mg/L(1) and a regression-derived equation(2). According to a classification scheme(3), this BCF suggests the potential for bioconcentration in aquatic organisms is low.

12.4 Mobility in soil

The Koc of 1,3-dichloro-5,5-dimethylhydantoin is estimated as 140(SRC) using a water solubility of 500 mg/L(1) and a regression-derived equation(2). According to a classification scheme(3), this estimated Koc value suggests that 1,3-dichloro-5,5-dimethylhydantoin is expected to have high mobility in soil.

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: UN3085 IMDG: UN3085 IATA: UN3085

14.2 UN Proper Shipping Name

ADR/RID: OXIDIZING SOLID, CORROSIVE, N.O.S.
IMDG: OXIDIZING SOLID, CORROSIVE, N.O.S.
IATA: OXIDIZING SOLID, CORROSIVE, N.O.S.

14.3 Transport hazard class(es)

ADR/RID: 5.1 IMDG: 5.1 IATA: 5.1

14.4 Packing group, if applicable

ADR/RID: III IMDG: III IATA: III

14.5 Environmental hazards

ADR/RID: yes IMDG: yes IATA: yes

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
1,3-Dichloro-5,5-dimethylhydantoin 1,3-Dichloro-5,5-dimethylhydantoin 118-52-5 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 Not Listed.
Chinese Chemical Inventory of Existing Chemical Substances (China IECSC) Listed.

16.Other information

Information on revision

Creation Date Aug 10, 2017
Revision Date Aug 10, 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.

MSDS

Expand
1H NMR : parameter in CDCl3Expand

NMR Spectrum 1H NMR : parameter in CDCl3

Collapse

C5 H6 Cl2 N2 O2 0.033 g : 0.5 ml CDCl3
1,3-dichloro-5,5-dimethyl-2,4-imidazolidinedione

118-52-5 NMR spectrum

Parameter ppm Hz
D(A) 1.565

IR : KBr discExpand
Mass Expand
Raman : 4880 A,200 M,powderExpand
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