4,4'-Azobis(4-cyanovaleric acid)

Modify Date: 2025-08-23 12:45:56

4,4'-Azobis(4-cyanovaleric acid) structure	Common Name	4,4'-Azobis(4-cyanovaleric acid)
	CAS Number	2638-94-0	Molecular Weight	280.280
	Density	1.2±0.1 g/cm3	Boiling Point	503.6±50.0 °C at 760 mmHg
	Molecular Formula	C₁₂H₁₆N₄O₄	Melting Point	118-125 °C (dec.)(lit.)
	MSDS	Chinese USA	Flash Point	258.3±30.1 °C
	Symbol	GHS02	Signal Word	Danger

Name	4,4'-Azobis(4-cyanovaleric acid)
Synonym	More Synonyms

Density	1.2±0.1 g/cm3
Boiling Point	503.6±50.0 °C at 760 mmHg
Melting Point	118-125 °C (dec.)(lit.)
Molecular Formula	C₁₂H₁₆N₄O₄
Molecular Weight	280.280
Flash Point	258.3±30.1 °C
Exact Mass	280.117157
PSA	146.90000
LogP	1.31
Vapour Pressure	0.0±2.8 mmHg at 25°C
Index of Refraction	1.546
InChIKey	VFXXTYGQYWRHJP-UHFFFAOYSA-N
SMILES	CC(C#N)(CCC(=O)O)N=NC(C)(C#N)CCC(=O)O

4,4'-Azobis(4-cyanovaleric acid) MSDS(Chinese)

CHEMICAL IDENTIFICATION

RTECS NUMBER :: YV6190500

CHEMICAL NAME :: Valeric acid, 4,4'-azobis(4-cyano-

CAS REGISTRY NUMBER :: 2638-94-0

BEILSTEIN REFERENCE NO. :: 1729856

LAST UPDATED :: 199701

DATA ITEMS CITED :: 2

MOLECULAR FORMULA :: C12-H16-N4-O4

HEALTH HAZARD DATA

ACUTE TOXICITY DATA

TYPE OF TEST :: LD50 - Lethal dose, 50 percent kill

ROUTE OF EXPOSURE :: Intraperitoneal

SPECIES OBSERVED :: Rodent - mouse

DOSE/DURATION :: 666 mg/kg

TOXIC EFFECTS :: Details of toxic effects not reported other than lethal dose value

REFERENCE :: 85JCAE "Prehled Prumyslove Toxikologie; Organicke Latky," Marhold, J., Prague, Czechoslovakia, Avicenum, 1986 Volume(issue)/page/year: -,922,1986

Symbol	GHS02
Signal Word	Danger
Hazard Statements	H242
Personal Protective Equipment	Eyeshields;full-face particle respirator type N100 (US);Gloves;respirator cartridge type N100 (US);type P1 (EN143) respirator filter;type P3 (EN 143) respirator cartridges
Hazard Codes	F:Flammable;
Risk Phrases	R11
Safety Phrases	S15-S16-S22-S24/25-S36
RIDADR	UN 1325 4.1/PG 2
WGK Germany	2
RTECS	YV6190500
Packaging Group	II; III
Hazard Class	4.1
HS Code	2927000090

Sodium cyanide

CAS#:143-33-9

Levulinic acid

CAS#:123-76-2

4,4'-Azobis(4-c...

CAS#:2638-94-0

Literature: Haines; Waters Journal of the Chemical Society, 1955 , p. 4256,4259

Precursor 2
CAS#:143-33-9 Sodium cyanide CAS#:123-76-2 Levulinic acid
DownStream 3
CAS#:5873-93-8 di-(Thiobenzoyl... CAS#:201611-92-9 4-CYANO-4-(THIO... CAS#:870196-80-8 4-Cyano-4-[[(do...

HS Code	2927000090
Summary	2927000090 other diazo-, azo- or azoxy-compounds。Supervision conditions:None。VAT:17.0%。Tax rebate rate:9.0%。MFN tariff:6.5%。General tariff:30.0%

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Pentanoic acid, 4,4'-[(E)-1,2-diazenediyl]bis[4-cyano-

ABCPA

NC 25

Azocarboxy

4,4'-Azobis(4-cyanovaleric acid)

Pentanoic acid, 4,4'-azobis[4-cyano-

4,4'-azobis(4-cyanopentanoic acid)

4,4'-Azobis(4-cyanov

ACVA

EINECS 220-135-0

4,4'-(E)-Diazene-1,2-diylbis(4-cyanopentanoic acid)

azobis(cyanovalericacid)

4,4-Azobis(4-Cyanovaleric Acid)

MFCD00002799

4,4'-[(E)-1,2-Diazenediyl]bis(4-cyanopentanoic acid)

4,4'-(Diazene-1,2-diyl)bis(4-cyanopentanoic acid)

ABCVA

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Shanghai Nianxing Industrial Co., Ltd
China
Product Name: 4,4'-Azobis(4-cyanovaleric acid)
Price: Check
Purity: 98.0%
Delivery: 10 Day
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Shanghai Jizhi Biochemical Technology Co., Ltd
China
Product Name: 4,4'-Azobis(4-cyanovaleric acid)
Price: ￥638.0/100g ￥218.0/25g
Purity: 98.0%
Delivery: Inquiry
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Email: 2130147988@qq.com

Dayang Chem (Hangzhou) Co., Ltd.
China
Product Name: 4,4'-Azobis(4-cyanovaleric acid)
Price: $Inquiry/100g $Inquiry/1kg $Inquiry/100kg $Inquiry/1000kg
Purity: 98.0%
Delivery: Inquiry
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Email: enquiry@dycnchem.com

Henan Tianfu Chemical Co., Ltd.
China
Product Name: 4,4'-Azobis(4-cyanovaleric acid)(2638-94-0)
Price: $Inquiry/1kg $Inquiry/25kg $Inquiry/1000kg $Inquiry/10ton
Purity: 99.0%
Delivery: Inquiry
Contact: Anson
Email: info@tianfuchem.com

Zhongshan Xingrui Chemical Co. , Ltd.
China
Product Name: 4,4'-Azobis(4-cyanovaleric acid)
Price: ￥Inquiry/25kg
Purity: 99.0%
Delivery: Inquiry
Contact: Wang Jie
Email: 3096638339@qq.com

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4,4'-Azobis(4-cyanovaleric acid)

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Chemical & Physical Properties

MSDS

Toxicological Information

CHEMICAL IDENTIFICATION

HEALTH HAZARD DATA

ACUTE TOXICITY DATA

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Precursor & DownStream

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