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acrylic acid
CAS No.: 79-10-7
Synonyms:
Formula: C3H4O2
Exact Mass: 72.02110
Molecular Weight: 72.06270
PSA: 37.30000
LogP: 0.25700
Reference Price: $1,381/ton Inquiry Now
acrylic acid 79-10-7 MSDS
Name: Acrylic acid stabilized with about 200 ppm MEHQ Material Safety Data Sheet
Synonym: 2-Propenoic acid; Acroleic acid; Acrylic acid, inhibited; Ethylenecarboxylic acid; Glacial acrylic acid; Propene acid; Propenoic acid; Vinylformic acid
CAS: 79-10-7
Section 1 - Chemical Product   MSDS Name:Acrylic acid stabilized with about 200 ppm MEHQ Material Safety Data Sheet
Synonym:2-Propenoic acid; Acroleic acid; Acrylic acid, inhibited; Ethylenecarboxylic acid; Glacial acrylic acid; Propene acid; Propenoic acid; Vinylformic acid

Section 2 - COMPOSITION, INFORMATION ON INGREDIENTS
CAS# Chemical Name content EINECS#
79-10-7 Acrylic acid >99 201-177-9
Hazard Symbols: C N
Risk Phrases: 10 20/21/22 35 50

Section 3 - HAZARDS IDENTIFICATION
  EMERGENCY OVERVIEW
Flammable. Harmful by inhalation, in contact with skin and if swallowed. Causes severe burns. Very toxic to aquatic organisms.Stench.
Potential Health Effects
Eye:
May result in corneal injury. Causes severe eye irritation and burns. Direct contact with the liquid may cause blindness.
Skin:
Harmful if absorbed through the skin. May cause skin sensitization, an allergic reaction, which becomes evident upon re-exposure to this material. Causes severe skin irritation and burns.
Ingestion:
May be fatal if swallowed. May cause corrosion and permanent tissue destruction of the esophagus and digestive tract.
Inhalation:
May cause liver and kidney damage. Causes chemical burns to the respiratory tract. Vapors may cause dizziness or suffocation.
Inhalation of vapors causes nasal irritation. Acrylic acid caused slight focal degeneration of the olfactory mucosa in mice exposed intermittently at 5 ppm. It caused changes in respiratory rate and volume in unanesthetized rats exposed at irritating concentrations.
Chronic:
Acrylic acid caused teratogenic and embryotoxic effects in rats injected intraperitoneally at dose levels as low as 4.7 and 8 mg/kg of body weight.

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 immediately.
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:
If swallowed, do NOT induce vomiting. Get medical aid immediately.
If victim is fully conscious, give a cupful of water. Never give anything by mouth to an unconscious person.
Inhalation:
If inhaled, remove to fresh air. If not breathing, give artificial respiration. If breathing is difficult, give oxygen. Get medical aid.
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. Water runoff can cause environmental damage. Dike and collect water used to fight fire. Vapors may form an explosive mixture with air. During a fire, irritating and highly toxic gases may be generated by thermal decomposition or combustion. Use water spray to keep fire-exposed containers cool. Flammable liquid and vapor. May polymerize explosively when involved in a fire. May accumulate static electrical charges, and may cause ignition of its own vapors. Closed containers may rupture violently when heated.
Vapors are heavier than air and may travel to a source of ignition and flash back. Vapors can spread along the ground and collect in low or confined areas. Fight fire from protected location or maximum possible distance.
Extinguishing Media:
Use water spray, dry chemical, "alcohol resistant" foam, or carbon dioxide.

Section 6 - ACCIDENTAL RELEASE MEASURES
  General Information: Use proper personal protective equipment as indicated in Section 8.
Spills/Leaks:
Absorb spill with inert material (e.g. vermiculite, sand or earth), then place in suitable container. Avoid runoff into storm sewers and ditches which lead to waterways. Clean up spills immediately, observing precautions in the Protective Equipment section. Remove all sources of ignition. Use a spark-proof tool. Provide ventilation. Use water spray to cool and disperse vapors, protect personnel, and dilute spills to form nonflammable mixtures.

Section 7 - HANDLING and STORAGE
  Handling:
Wash thoroughly after handling. Remove contaminated clothing and wash before reuse. Ground and bond containers when transferring material. Use spark-proof tools and explosion proof equipment. Do not get in eyes, on skin, or on clothing. Empty containers retain product residue, (liquid and/or vapor), and can be dangerous. Keep container tightly closed. Discard contaminated shoes. Do not pressurize, cut, weld, braze, solder, drill, grind, or expose empty containers to heat, sparks or open flames. Do not use steam or electrical heating systems such as coils, jackets, tapes, mantles, lights, etc. to thaw any solidified monomer. The application of concentrated heat will cause polymerization and possibly rupture the container. Keep away from heat, sparks and flame. Do not breathe vapor or mist. Pure vapor will be uninhibited and may polymerize in vents or other confined spaces. Use only with adequate ventilation or respiratory protection.
Storage:
Keep away from heat, sparks, and flame. Keep away from sources of ignition. Keep from freezing. Keep container closed when not in use.
Store in a cool, dry, well-ventilated area away from incompatible substances. Flammables-area. Store only in glass, stainless steel, aluminum or polyethylene-lined equipment. Separate from oxidizing materials.

Section 8 - EXPOSURE CONTROLS, PERSONAL PROTECTION
  Engineering Controls:
Use explosion-proof ventilation equipment. Facilities storing or utilizing this material should be equipped with an eyewash facility and a safety shower. Use adequate general or local exhaust ventilation to keep airborne concentrations below the permissible exposure limits.
Exposure Limits CAS# 79-10-7: Belgium - TWA: 2 ppm VLE; 6.0 mg/m3 VLE France - VME: 2 ppm VME; 6 mg/m3 VME France - VLE: 10 ppm VLE; 30 mg/m3 VLE Malaysia: 2 ppm TWA; 5.9 mg/m3 TWA Netherlands: 2 ppm MAC; 5.9 mg/m3 MAC Russia: 5 mg/m3 TWA Spain: 2 ppm VLA-ED; 6 mg/m3 VLA-ED CAS# 150-76-5: Belgium - TWA: 5 mg/m3 VLE France - VME: 5 mg/m3 VME Germany: 5 mg/m3 TWA Malaysia: 5 mg/m3 TWA Netherlands: 5 mg/m3 MAC Spain: 5 mg/m3 VLA-ED Personal Protective Equipment Eyes: Wear chemical splash goggles.
Skin:
Wear appropriate protective gloves to prevent skin exposure.
Clothing:
Wear appropriate protective clothing to prevent skin exposure.
Respirators:
A respiratory protection program that meets OSHA's 29 CFR 1910.134 and ANSI Z88.2 requirements or European Standard EN 149 must be followed whenever workplace conditions warrant respirator use.

Section 9 - PHYSICAL AND CHEMICAL PROPERTIES
 
Physical State: Liquid
Color: colorless
Odor: acrid odor - stench
pH: Not available.
Vapor Pressure: 4 mm Hg @ 25 deg C
Viscosity: 1.3 mPas 20 deg C
Boiling Point: 139 deg C @ 760 mm Hg
Freezing/Melting Point: 13 deg C
Autoignition Temperature: 438 deg C ( 820.40 deg F)
Flash Point: 48 deg C ( 118.40 deg F)
Explosion Limits, lower: 2.0%
Explosion Limits, upper: 8.0%
Decomposition Temperature: 200 deg C
Solubility in water: Soluble.
Specific Gravity/Density: 1.05 g/cm3
Molecular Formula: C3H4O2
Molecular Weight: 72.06

Section 10 - STABILITY AND REACTIVITY
  Chemical Stability:
Stable only if stored and handled under recommended conditions. The stability of the product depends upon the availability of both dissolved oxygen and MEHQ inhibitor(CAS=150-76-5). The presence of oxygen is necessary for the MEHQ to function effectively. The product should never be stored under an inert gas atmosphere, but should always be stored under an atmosphere containing 5-21% oxygen by volume.
Conditions to Avoid:
Light, ignition sources, excess heat, loss of inhibitor.
Incompatibilities with Other Materials:
Metals, strong oxidizing agents, strong acids, amines, ammonia, peroxides, epichlorohydrin, alkalis, ethyleneimine, pyridine, polymerizing initiators, 2-aminoethanol, ethylene diamine, carbon steel.
Hazardous Decomposition Products:
Carbon monoxide, carbon dioxide.
Hazardous Polymerization: Will occur.

Section 11 - TOXICOLOGICAL INFORMATION
  RTECS#:
CAS# 79-10-7: AS4375000 CAS# 150-76-5: SL7700000 LD50/LC50:
CAS# 79-10-7: Draize test, rabbit, eye: 1 mg Severe; Draize test, rabbit, eye: 250 ug/24H Severe; Draize test, rabbit, skin: 5 mg/24H Severe; Inhalation, mouse: LC50 = 5300 mg/m3/2H; Oral, mouse: LD50 = 2400 mg/kg; Oral, rat: LD50 = 33500 ug/kg; Skin, rabbit: LD50 = 280 uL/kg.
CAS# 150-76-5: Draize test, rabbit, skin: 6 gm/12D (Intermittent) Mild; Draize test, rabbit, skin: 10%; Oral, rat: LD50 = 1600 mg/kg.
Skin, rabbit: LD50 = 280 uL/kg = 294 mg/kg.
Carcinogenicity:
Acrylic acid - Not listed by ACGIH, IARC, or NTP.
p-Hydroxyanisole - Not listed by ACGIH, IARC, or NTP.
Other:
See actual entry in RTECS for complete information.

Section 12 - ECOLOGICAL INFORMATION
  Ecotoxicity:
Water flea Daphnia: EC50 = 270 mg/L; 24 Hr; Static bioassay at 20-22C, pH 7.6Fish: Brown trout: LC50 = 130460 mg/L; 24-96 Hr; Unspecified

Section 13 - DISPOSAL CONSIDERATIONS
  Dispose of in a manner consistent with federal, state, and local regulations.

Section 14 - TRANSPORT INFORMATION
 
IATA
Shipping Name: ACRYLIC ACID, INHIBITED
Hazard Class: 8 (3)
UN Number: 2218
Packing Group: II
IMO
Shipping Name: ACRYLIC ACID, INHIBITED
Hazard Class: 8 (3)
UN Number: 2218
Packing Group: II
RID/ADR
Shipping Name: ACRYLIC ACID, INHIBITED
Hazard Class: 8
UN Number: 2218
Packing group: II
USA RQ: CAS# 79-10-7: 5000 lb final RQ; 2270 kg final RQ

Section 15 - REGULATORY INFORMATION
 
European/International Regulations
European Labeling in Accordance with EC Directives
Hazard Symbols: C N
Risk Phrases:
R 10 Flammable.
R 20/21/22 Harmful by inhalation, in contact with
skin and if swallowed.
R 35 Causes severe burns.
R 50 Very toxic to aquatic organisms.
Safety Phrases:
S 26 In case of contact with eyes, rinse immediately
with plenty of water and seek medical advice.
S 36/37/39 Wear suitable protective clothing, gloves
and eye/face protection.
S 45 In case of accident or if you feel unwell, seek
medical advice immediately (show the label where
possible).
S 61 Avoid release to the environment. Refer to
special instructions/safety data sheets.
WGK (Water Danger/Protection)
CAS# 79-10-7: 1
CAS# 150-76-5: 1
Canada
CAS# 79-10-7 is listed on Canada's DSL List.
CAS# 150-76-5 is listed on Canada's DSL List.
CAS# 79-10-7 is listed on Canada's Ingredient Disclosure List.
CAS# 150-76-5 is listed on Canada's Ingredient Disclosure List.
US FEDERAL
TSCA
CAS# 79-10-7 is listed on the TSCA inventory.
CAS# 150-76-5 is listed on the TSCA inventory.


SECTION 16 - ADDITIONAL INFORMATION
N/A

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