ChemicalBook > CAS DataBase List > 4,4'-Azobis(4-cyanovaleric acid)

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

Product Name
4,4'-Azobis(4-cyanovaleric acid)
CAS No.
2638-94-0
Chemical Name
4,4'-Azobis(4-cyanovaleric acid)
Synonyms
ACVA;ABCPA;ABCVA;NC 25;Azocarboxy;NSC 114466;"4,4-Azobis";4,4'-Azobis(4-cyanov;4,4'-Azobis(4-cyanovaL;LABOTEST-BB LT00645560
CBNumber
CB9344530
Molecular Formula
C12H16N4O4
Formula Weight
280.28
MOL File
2638-94-0.mol
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4,4'-Azobis(4-cyanovaleric acid) Property

Melting point:
118-125 °C (dec.) (lit.)
Boiling point:
423°C (rough estimate)
Density 
1.2464 (rough estimate)
refractive index 
1.6081 (estimate)
storage temp. 
2-8°C
solubility 
DMSO (Slightly), Methanol (Slightly)
form 
Solid
pka
3.98±0.10(Predicted)
color 
White
Water Solubility 
Soluble in water.
Sensitive 
Light Sensitive
BRN 
1729856
InChIKey
VFXXTYGQYWRHJP-FOCLMDBBSA-N
LogP
0.8 at 23℃
CAS DataBase Reference
2638-94-0(CAS DataBase Reference)
NIST Chemistry Reference
4,4'-Azo-bis(4-cyanopentanoic acid)(2638-94-0)
EPA Substance Registry System
4,4'-Azobis(4-cyanovaleric acid) (2638-94-0)
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Safety

Hazard Codes 
F
Risk Statements 
11
Safety Statements 
15-16-22-24/25-36
RIDADR 
UN 1325 4.1/PG 2
WGK Germany 
2
RTECS 
YV6190500
F 
4.4-8
TSCA 
Yes
HazardClass 
4.1
HS Code 
29270000
Toxicity
LD50 ipr-mus: 666 mg/kg 85JCAE -,922,86
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Hazard and Precautionary Statements (GHS)

Symbol(GHS)
Signal word
Danger
Hazard statements

H242Heating may cause a fire

Precautionary statements

P210Keep away from heat/sparks/open flames/hot surfaces. — No smoking.

P234Keep only in original container.

P235Keep cool.

P240Ground/bond container and receiving equipment.

P370+P378In case of fire: Use … for extinction.

P403Store in a well-ventilated place.

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N-Bromosuccinimide Price

Sigma-Aldrich
Product number
11590
Product name
4,4′-Azobis(4-cyanovaleric acid)
Purity
≥98.0% (T)
Packaging
25g
Price
$75.3
Updated
2024/03/01
Sigma-Aldrich
Product number
11590
Product name
4,4′-Azobis(4-cyanovaleric acid)
Purity
≥98.0% (T)
Packaging
100g
Price
$183
Updated
2024/03/01
Alfa Aesar
Product number
H59611
Product name
4,4'-Azobis(4-cyanovaleric acid), 98%, cont. ca 18% water
Packaging
25g
Price
$67.9
Updated
2024/03/01
Alfa Aesar
Product number
H59611
Product name
4,4'-Azobis(4-cyanovaleric acid), 98%, cont. ca 18% water
Packaging
100g
Price
$194
Updated
2024/03/01
TRC
Product number
A932500
Product name
4,4′-Azobis(4-cyanovaleric acid)
Packaging
1g
Price
$55
Updated
2021/12/16
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4,4'-Azobis(4-cyanovaleric acid) Chemical Properties,Usage,Production

Chemical Properties

white crystalline powder

Uses

4,4'-Azobis(4-cyanovaleric acid) is used as a free radical imitator in polymer synthesis such as polyvinyl chloride, polyacrylonitrile, polyvinyl alcohol and synthetic fibers. It is utilized for both heterogeneous and homogenous free-radical polymerizations, and as an initiator in reversible addition-fragmentation chain transfer polymerization (RAFT). It is also used as a blowing agent for plastics and elastomers.

Uses

4,4′-Azobis(4-cyanovaleric acid) has been used in the preparation of polystyrene particles by polymerizing styrene in ethyl alcohol.

Uses

4,4’Azobis(4-cyanovaleric Acid) is a water soluble azo initiator usded in radical polymerization process of vinyls, acylamides, styrenes as well as other polymers.

Hazard

Toxic.

Flammability and Explosibility

Not classified

Biochem/physiol Actions

4,4′-azobis(4-cyanovaleric acid) is an azo-initiator that induces lipid peroxidation of sunflower oil.

Safety Profile

Moderately toxic byintraperitoneal route. When heated to decomposition itemits toxic vapors of NOx.

4,4'-Azobis(4-cyanovaleric acid) Preparation Products And Raw materials

Raw materials

Hydrazinium hydroxide solution Levulinic acid Chlorine Sodium cyanide

Preparation Products

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

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View Lastest Price from 4,4'-Azobis(4-cyanovaleric acid) manufacturers

Hebei Weibang Biotechnology Co., Ltd
Product
4,4'-Azobis(4-cyanovaleric acid) 2638-94-0
Price
US $10.00/KG
Min. Order
100KG
Purity
99%
Supply Ability
100 mt
Release date
2024-11-22
Henan Fengda Chemical Co., Ltd
Product
4,4''-Azobis(4-cyano valeric acid) 2638-94-0
Price
US $6.00-0.60/KG
Min. Order
1KG
Purity
99%
Supply Ability
g-kg-tons, free sample is available
Release date
2024-01-18
Hebei Mojin Biotechnology Co., Ltd
Product
4,4'-Azobis(4-cyanovaleric acid) 2638-94-0
Price
US $0.00/KG
Min. Order
1KG
Purity
99%
Supply Ability
50000KG/month
Release date
2023-06-21

2638-94-0, 4,4'-Azobis(4-cyanovaleric acid)Related Search:

MAGNESIUM DIPROPYLACETATE HYDRATE 2-Propylpentanoic acid Estradiol valerate ETHYL 2-CYANOACRYLATE Pivalic acid Methylene dithiocyanate 2,2'-Azobis(2,4-dimethyl)valeronitrile 2,2'-AZOBIS[2-(2-IMIDAZOLIN-2-YL)PROPANE] DIHYDROCHLORIDE Valeronitrile 4-AMINOBUTYRIC ACID BUTYRONITRILE 2-METHYLBUTYRONITRILE 2-AMINO-2-METHYL-PROPIONITRILE 2,2'-Azodi(2-methylbutyronitrile) 4-Amino-1-butanol tert-Butylamine AMINOACETONITRILE 4-Methylvaleric acid

  • 4'-Azobis(4-cyanovaleric acid)
  • (E)-4,4'-(diazene-1,2-diyl)bis(4-cyanopentanoic acid)
  • 4,4'-Azobis(4-cyanovaleric acid) >=98.0% (T)
  • 4,4'-Azobis(4-cyanovaleric acid) >=75%
  • 4,4’-Azobis-(4-cyanopentanoic
  • 4,4’-azobis(4-cyano-pentanoicaci
  • 4,4’-azobis(4-cyano-valericaci
  • 4,4’-azobis[4-cyano-pentanoicaci
  • Azobis(cyanovaleric acid)
  • azobis(cyanovalericacid)
  • cis-4,4'-Azobis(4-cyanovaleric acid)
  • Kyselina 4,4'-azo-bis-(4-kyanvalerova)
  • 4,4'-Azobis(4-cyanovaL
  • kyselina4,4’-azo-bis-(4-kyanvalerova)
  • Pentanoic acid, 4,4'-azobis[4-cyano-
  • Valeric acid, 4,4'-azobis(4-cyano-
  • 4,4'-AZOBIS(4-CYANOVALERIC ACID)
  • 4,4'-AZOBIS(4-CYANOPENTANOIC ACID)
  • ACVA
  • LABOTEST-BB LT00645560
  • Azocarboxy
  • 4,4'-AZOBIS(4-CYANOPENTANOIC AC.), MOI-S TENED W. WATER ~15%
  • 4,4'-AZOBIS(4-CYANOVALERIC ACID), 75+%, REMAINDER WATER
  • 4,4'-AZOBIS(4-CYANO VALERIC ACID(ACVA)
  • 4,4-dicyano-4,4-azodivaleric acid
  • 4,4'-Azobis(4-cyanovaleric acid), moistened with ca. 30% water, 97%
  • 4,4′-Azobis[4-cyanvalerian]sure
  • 4,4'-Azobis(4-cyanovaleric acid):V-501
  • 2,4,4 '- azobis (4-cyano valeric acid)
  • 4,4'-Azobis(4-cyanopentanecarboxylic acid)
  • 4,4'-Azobis(cyanovaleric acid)
  • 4,4'-Azibis(4-cyanopentanoic acid)
  • 4,4'-Azobis(4-cyanovaleric acid),97%
  • 4,4'-Azobis(4-cyanovaleric acid),97%,moistened with ca. 30% water
  • ABCPA
  • ABCVA
  • NC 25
  • NSC 114466
  • 4,4'-(Diazene-1,2-diyl)bis(4-cyanopentanoic acid)
  • 4,4'-Azobis(4-cyanovaleric Acid) (contains ca. 20% Water)
  • 4,4′-Azobis(4-cyanovaleric acid),4,4′-Azobis(4-cyanopentanoic acid), ACVA
  • 4,4'-Azobis(4-cyanov
  • 4,4'-(Diazene-1,2-diyl)bis(4-cyanopentanoic acid) (contains ca. 20% Water)
  • 4,4'-Azobis(4-cyanovaleric acid), 98%, for synthesis
  • Azo Bis Cyno valeric acid" (ACVA)
  • Pentanoic acid, 4,4'-(1,2-diazenediyl)bis[4-cyano-
  • 4,4-Azobis(4-Cyanovaleric Acid),>98%
  • "4,4-Azobis"
  • 4,4'-Azobis(4-cyanovaleric acid)(2638-94-0)
  • 4,4'-Azobis(4-cyanovaleric acid)
  • 4,4''-Azobis(4-cyano valeric acid)
  • 4,4'-(Diazene-1,2-diyl)bis(4-cyanopentanoic acid)
  • 2638-94-0
  • HOCOCH2CH2CCH3CNNNCCH3CNCH2CH2COOH
  • C12H16N4O4
  • Azo/Diazo Compounds
  • Building Blocks
  • Nitrogen Compounds