CAS 2638-94-0|4,4'-Azobis(4-cyanovaleric acid)

Introduction：Basic information about CAS 2638-94-0|4,4'-Azobis(4-cyanovaleric acid), including its chemical name, molecular formula, synonyms, physicochemical properties, and safety information, etc.

Table of Contents

1. Names
2. Chemical & Physical Properties
3. Toxicological Information
CHEMICAL IDENTIFICATION
HEALTH HAZARD DATA
ACUTE TOXICITY DATA
4. Safety Information
5. Customs
6. Articles18
7. Synonyms

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	ChineseUSA	Flash Point	258.3±30.1 °C
Symbol	GHS02	Signal Word	Danger

Names

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

Chemical & Physical Properties

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

Toxicological Information

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

Safety Information

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

Customs

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%

Articles18

An Oligonucleotide Transfection Vector Based on HSA and PDMAEMA Conjugation: Effect of Polymer Molecular Weight on Cell Proliferation and on Multicellular Tumor Spheroids.

Macromol. Biosci. 15 , 965-78, (2015)

A novel gene transfection vector was fabricated based on the conjugation of human serum albumin (HSA) and maleimide end functionalized poly[(N,N-dimethylamino) ethyl methacrylate] (PDMAEMA). The bioco...

The influence of linker length on the properties of cathepsin S cleavable177Lu-labeled HPMA copolymers for pancreatic cancer imaging

Biomaterials 35(22) , 5760-70, (2014)

N-(2-hydroxypropyl)-methacrylamide (HPMA) copolymers have shown promise for application in the detection and staging of cancer. However, non-target accumulation, particularly in the liver and spleen, ...

Determination of the Free Metal Ion Concentration Using AGNES Implemented with Environmentally Friendly Bismuth Film Electrodes.

Anal. Chem. 87 , 6071-8, (2015)

Ex situ plated Bi film electrodes (Bi-FE) have been employed, for the first time, to measure the free concentration of Pb(II) in aqueous solutions using absence of gradients and Nernstian equilibrium ...

Synonyms

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

Recommended......