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2,4-dinitrophenol
CAS No.: 51-28-5
Synonyms:
Formula: C6H4N2O5
Exact Mass: 184.01200
Molecular Weight: 184.10600
PSA: 111.87000
LogP: 2.25500
Reference Price: $125/kg Inquiry Now
2,4-dinitrophenol 51-28-5 MSDS
Name: 2 4-Dinitrophenol damped with 15-20% water Material Safety Data Sheet
Synonym: alpha-Dinitrophenol; Dinofan; 1-Hydroxy-2,4-dinitrobenzene; Solfo Black
CAS: 51-28-5
Section 1 - Chemical Product   MSDS Name:2 4-Dinitrophenol damped with 15-20% water Material Safety Data Sheet
Synonym:alpha-Dinitrophenol; Dinofan; 1-Hydroxy-2,4-dinitrobenzene; Solfo Black

Section 2 - COMPOSITION, INFORMATION ON INGREDIENTS
CAS# Chemical Name content EINECS#
51-28-5 2,4-Dinitrophenol 80-85 200-087-7
Hazard Symbols: T F N
Risk Phrases: 1 11 23/24/25 33 50/53

Section 3 - HAZARDS IDENTIFICATION
  EMERGENCY OVERVIEW
Explosive when dry. Highly flammable. Toxic by inhalation, in contact with skin and if swallowed. Danger of cumulative effects.
Very toxic to aquatic organisms, may cause long-term adverse effects in the aquatic environment.
Potential Health Effects
Eye:
Causes eye irritation.
Skin:
Causes skin irritation. Harmful if absorbed through the skin.
Ingestion:
May be fatal if swallowed.
Inhalation:
May be fatal if inhaled. Causes respiratory tract irritation. May cause effects similar to those described for ingestion.
Chronic:
Prolonged or repeated skin contact may cause dermatitis. May cause liver and kidney damage. May cause reproductive and fetal effects.

Section 4 - FIRST AID MEASURES
  Eyes: In case of contact, immediately flush eyes with plenty of water for at least 15 minutes. Get medical aid.
Skin:
In case of contact, immediately flush skin with plenty of water for at least 15 minutes while removing contaminated clothing and shoes.
Get medical aid immediately. Wash clothing before reuse.
Ingestion:
Call a poison control center. If swallowed, do not induce vomiting unless directed to do so by medical personnel. Never give anything by mouth to an unconscious person. Get medical aid.
Inhalation:
POISON material. If inhaled, get medical aid immediately. Remove victim to fresh air. If not breathing, give artificial respiration.
If breathing is difficult, give oxygen.
Notes to Physician:

Section 5 - FIRE FIGHTING MEASURES
  General Information:
As in any fire, wear a self-contained breathing apparatus in pressure-demand, MSHA/NIOSH (approved or equivalent), and full protective gear. During a fire, irritating and highly toxic gases may be generated by thermal decomposition or combustion. This material poses an explosion hazard when dry. Flammable solid.
Extinguishing Media:
If water is the only media available, use in flooding amounts. For large fires flood fire with water from a distance.

Section 6 - ACCIDENTAL RELEASE MEASURES
  General Information: Use proper personal protective equipment as indicated in Section 8.
Spills/Leaks:
Vacuum or sweep up material and place into a suitable disposal container. Reduce airborne dust and prevent scattering by moistening with water. Clean up spills immediately, observing precautions in the Protective Equipment section. Avoid generating dusty conditions.
Remove all sources of ignition. Use a spark-proof tool. If the material is dry, explosives experts may be necessary to dispose of the spill. Provide ventilation.

Section 7 - HANDLING and STORAGE
  Handling:
Wash thoroughly after handling. Wash hands before eating. Remove contaminated clothing and wash before reuse. Use only in a well-ventilated area. Ground and bond containers when transferring material. Do not get in eyes, on skin, or on clothing. Empty containers retain product residue, (liquid and/or vapor), and can be dangerous. Do not ingest or inhale. Store protected from light. Do not pressurize, cut, weld, braze, solder, drill, grind, or expose empty containers to heat, sparks or open flames.
Storage:
Store in a cool place in the original container and protect from sunlight. Store in a tightly closed container. Material can ignite if dry. Do not allow material to completely dry. Keep container closed to prevent drying out.

Section 8 - EXPOSURE CONTROLS, PERSONAL PROTECTION
  Engineering Controls:
Facilities storing or utilizing this material should be equipped with an eyewash facility and a safety shower. Use adequate ventilation to keep airborne concentrations low.
Exposure Limits CAS# 51-28-5: CAS# 7732-18-5: CAS# 25550-58-7: Russia: 0.05 mg/m3 TWA Personal Protective Equipment Eyes: Wear appropriate protective eyeglasses or chemical safety goggles as described by OSHA's eye and face protection regulations in 29 CFR 1910.133 or European Standard EN166.
Skin:
Wear appropriate protective gloves to prevent skin exposure.
Clothing:
Wear appropriate protective clothing to prevent skin exposure.
Respirators:
Follow the OSHA respirator regulations found in 29 CFR 1910.134 or European Standard EN 149. Use a NIOSH/MSHA or European Standard EN 149 approved respirator if exposure limits are exceeded or if irritation or other symptoms are experienced.

Section 9 - PHYSICAL AND CHEMICAL PROPERTIES
 
Physical State: Solid
Color: yellow to brown
Odor: None reported.
pH: Not available.
Vapor Pressure: Not available.
Viscosity: Not available.
Boiling Point: Not available.
Freezing/Melting Point: 114-115 deg C
Autoignition Temperature: Not applicable.
Flash Point: Not applicable.
Explosion Limits, lower: Not available.
Explosion Limits, upper: Not available.
Decomposition Temperature: Not available.
Solubility in water: Slightly soluble.
Specific Gravity/Density: 1.683
Molecular Formula: C6H4N2O5
Molecular Weight: 184.0384

Section 10 - STABILITY AND REACTIVITY
  Chemical Stability:
Stable under normal temperatures and pressures.
Conditions to Avoid:
High temperatures, light, ignition sources, dehydrating agents.
Incompatibilities with Other Materials:
Strong oxidizing agents, strong bases, acid chlorides, acid anhydrides, and light. Forms explosive salts with alkalis and ammonia.
Hazardous Decomposition Products:
Nitrogen oxides, carbon monoxide, carbon dioxide.
Hazardous Polymerization: Has not been reported.

Section 11 - TOXICOLOGICAL INFORMATION
  RTECS#:
CAS# 51-28-5: SL2800000 CAS# 7732-18-5: ZC0110000 CAS# 25550-58-7: SL2625000 LD50/LC50:
CAS# 51-28-5: Draize test, rabbit, skin: 300 mg/4W (Intermittent) Mild; Oral, mouse: LD50 = 45 mg/kg; Oral, mouse: LD50 = 72 mg/kg; Oral, rabbit: LD50 = 30 mg/kg; Oral, rat: LD50 = 30 mg/kg.
CAS# 7732-18-5: Oral, rat: LD50 = >90 mL/kg.
CAS# 25550-58-7.
Lethal doses for orally ingested 2,4-dinitrophenol in humans have been reported to be 14 to 43 mg/kg.
Carcinogenicity:
2,4-Dinitrophenol - Not listed by ACGIH, IARC, or NTP.
Water - Not listed by ACGIH, IARC, or NTP.
Dinitrophenol (mixed isomers) - Not listed by ACGIH, IARC, or NTP.
Other:
See actual entry in RTECS for complete information.

Section 12 - ECOLOGICAL INFORMATION
  Other Dinitrophenol is used as an insecticide and as a wood preservative.
All nitrophenols inhibit the microbial growth of natural aquatic systems because they uncouple the metabolic process of oxidative phosphorylation.

Section 13 - DISPOSAL CONSIDERATIONS
  Products which are considered hazardous for supply are classified as Special Waste and the disposal of such chemicals is covered by regulations which may vary according to location. Contact a specialist disposal company or the local waste regulator for advice. Empty containers must be decontaminated before returning for recycling.

Section 14 - TRANSPORT INFORMATION
 
IATA
Shipping Name: DINITROPHENOL, WETTED
Hazard Class: 4.1
UN Number: 1320
Packing Group: I
IMO
Shipping Name: DINITROPHENOL, WETTED
Hazard Class: 4.1
UN Number: 1320
Packing Group: I
RID/ADR
Shipping Name: DINITROPHENOL, WETTED
Hazard Class: 4.1
UN Number: 1320
Packing group: I
USA RQ: CAS# 51-28-5: 10 lb final RQ; 4.54 kg final RQ
USA RQ: CAS# 25550-58-7: 10 lb final RQ; 4.54 kg final RQ

Section 15 - REGULATORY INFORMATION
 
European/International Regulations
European Labeling in Accordance with EC Directives
Hazard Symbols: T F N
Risk Phrases:
R 1 Explosive when dry.
R 11 Highly flammable.
R 23/24/25 Toxic by inhalation, in contact with skin
and if swallowed.
R 33 Danger of cumulative effects.
R 50/53 Very toxic to aquatic organisms, may cause
long-term adverse effects in the aquatic environment.
Safety Phrases:
S 28A After contact with skin, wash immediately with
plenty of water.
S 37 Wear suitable gloves.
S 45 In case of accident or if you feel unwell, seek
medical advice immediately (show the label where
possible).
S 60 This material and its container must be
disposed of as hazardous waste.
S 61 Avoid release to the environment. Refer to
special instructions/safety data sheets.
WGK (Water Danger/Protection)
CAS# 51-28-5: No information available.
CAS# 7732-18-5: No information available.
CAS# 25550-58-7: No information available.
Canada
CAS# 51-28-5 is listed on Canada's DSL List.
CAS# 7732-18-5 is listed on Canada's DSL List.
CAS# 51-28-5 is listed on Canada's Ingredient Disclosure List.
CAS# 7732-18-5 is not listed on Canada's Ingredient Disclosure List.
CAS# 25550-58-7 is listed on Canada's Ingredient Disclosure List.
US FEDERAL
TSCA
CAS# 51-28-5 is listed on the TSCA inventory.
CAS# 7732-18-5 is listed on the TSCA inventory.
CAS# 25550-58-7 is not listed on the TSCA inventory.
It is for research and development use only.


SECTION 16 - ADDITIONAL INFORMATION
N/A

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