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4,4'-Azobis(4-cyanovaleric acid) cas no:2638-94-0

Synonyms: 4,4-Azobis-(4-cyanopentanoic acid); 4,4azobis(4-cyanovaleric acid); 4,4-dicyano-4,4-azodivaleric acid

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Identification
Chemical Properties
Globally Harmonized System of Classification adn Labelling of Chemicals(GHS)
Safety Data
Toxicity

Identification

Name4,4'-Azobis(4-cyanovaleric acid)
CAS2638-94-0
Synonyms4,4-Azobis-(4-cyanopentanoic acid); 4,4azobis(4-cyanovaleric acid); 4,4-dicyano-4,4-azodivaleric acid
EINECS(EC#)220-135-0
Molecular FormulaC12H16N4O4
Molecular Weight280.28

Chemical Properties

Appearancewhite crystalline powder
storage temp2-8°C

Globally Harmonized System of Classification adn Labelling of Chemicals(GHS)

Hazardclass4.1

Safety Data

Hazard F:Flammable;
Risk R11
Safety

Safety Information about 4,4'-Azobis(4-cyanopentanoic acid) (CAS NO.2638-94-0):
Hazard Codes: F
Risk Statements: 11
R11: Highly flammable.
Safety Statements: 15-16-22-24/25-36
S15: Keep away from heat.
S16: Keep away from sources of ignition.
S22: Do not breathe dust.
S24/25: Avoid contact with skin and eyes.
S36: Wear suitable protective clothing.
RIDADR: UN 1325 4.1/PG 2
WGK Germany: 2
RTECS: YV6190500
F: 4.4-8
Moderately toxic by intraperitoneal route. When heated to decomposition it emits toxic vapors of NO_x.

Toxicity

Organism	Test Type	Route	Reported Dose (Normalized Dose)	Effect	Source
mouse	LD50	intraperitoneal	666mg/kg (666mg/kg)		"Prehled Prumyslove Toxikologie; Organicke Latky," Marhold, J., Prague, Czechoslovakia, Avicenum, 1986Vol. -, Pg. 922, 1986.

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LangFang Hawk Technology & Development Co,Ltd.: Tel:; Address: TsingHua Science Park,Economic Devp.Zone LangFang Hebei China

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