Maleic anhydride cas no:108-31-6

NameMaleic anhydride
CAS108-31-6
Synonyms2,5-Furandione; MA; cis-Butenedioic anhydride; Sodium n-amylxanthate; MaleicAnhydride
EINECS(EC#)203-571-6
Molecular FormulaC4H2O3
Molecular Weight98.06

AppearanceWhite crystals
refractive index1.554
storage tempStore at RT.
Sensitive Moisture Sensitive

Hazardclass8

Hazard C:Corrosive
Risk R22;R34;R42/43
Safety

Hazard Codes:?C
Risk Statements: 22-34-42/43
R22: Harmful if swallowed.?
R34: Causes burns.?
R42/43: May cause sensitization by inhalation and skin contact.
Safety Statements: 22-26-36/37/39-45
S22: Do not breathe dust.?
S26: In case of contact with eyes, rinse immediately with plenty of water and seek medical advice.?
S36/37/39: Wear suitable protective clothing, gloves and eye/face protection.?
S45: In case of accident or if you feel unwell, seek medical advice immediately (show the label whenever possible.)
RIDADR: UN 2215 8/PG 3
WGK Germany: 1
RTECS: ON3675000
F: 21
HazardClass: 8
PackingGroup: III
Poison by ingestion and intraperitoneal routes. Moderately toxic by skin contact. A corrosive irritant to eyes, skin, and mucous membranes. Can cause pulmonary edema. Questionable carcinogen with experimental tumorigenic data. Mutation data reported. A pesticide. Combustible when exposed to heat or flame; can react vigorously on contact with oxidizing materials. Explosive in the form of vapor when exposed to heat or flame. Reacts with water or steam to produce heat. Violent reaction with bases (e.g., sodium hydroxide, potassium hydroxide, calcium hydroxide), alkali metals (e.g., sodium, potassium), amines (e.g., dimethylamine, triethylamine), lithium, pyridine. To fight fire, use alcohol foam. Incompatible with cations. When heated to decomposition (above 150°C) it emits acrid smoke and irritating fumes. See also ANHYDRIDES.

Organism	Test Type	Route	Reported Dose (Normalized Dose)	Effect	Source
guinea pig	LD50	oral	390mg/kg (390mg/kg)	?	"Toxicometric Parameters of Industrial Toxic Chemicals Under Single Exposure," Izmerov, N.F., et al., Moscow, Centre of International Projects, GKNT, 1982Vol. -, Pg. 79, 1982.
guinea pig	LD50	skin	> 20gm/kg (20000mg/kg)	?	Interagency Collaborative Group on Environmental Carcinogenesis, National Cancer Institute, Memorandum, June 17, 1974Vol. 17JUN1974,
mouse	LD50	oral	465mg/kg (465mg/kg)	?	Gigiena Truda i Professional'nye Zabolevaniya. Labor Hygiene and Occupational Diseases. Vol. 13(4), Pg. 42, 1969.
rabbit	LD50	oral	875mg/kg (875mg/kg)	?	"Toxicometric Parameters of Industrial Toxic Chemicals Under Single Exposure," Izmerov, N.F., et al., Moscow, Centre of International Projects, GKNT, 1982Vol. -, Pg. 79, 1982.
rabbit	LD50	skin	2620mg/kg (2620mg/kg)	?	Toxicology and Applied Pharmacology. Vol. 42, Pg. 417, 1977.
rat	LD50	intraperitoneal	97mg/kg (97mg/kg)	?	"Toxicometric Parameters of Industrial Toxic Chemicals Under Single Exposure," Izmerov, N.F., et al., Moscow, Centre of International Projects, GKNT, 1982Vol. -, Pg. 79, 1982.
rat	LD50	oral	400mg/kg (400mg/kg)	?	Interagency Collaborative Group on Environmental Carcinogenesis, National Cancer Institute, Memorandum, June 17, 1974Vol. 17JUN1974,