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

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

4,4'-Azobis(4-cyanovaleric acid) price.
  • $9 - $2627.63
  • Product name: 4,4'-Azobis(4-cyanovaleric acid)
  • CAS: 2638-94-0
  • MF: C12H16N4O4
  • MW: 280.28
  • EINECS:220-135-0
  • MDL Number:MFCD00002799
  • Synonyms: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
Price26 Properties Safety Information Description
26 prices
Selected condition：
Brand
  • aablocks
  • American Custom Chemicals Corporation
  • Biosynth
  • Frontier Specialty Chemicals
  • Medical Isotopes, Inc.
  • Oakwood
  • Sigma-Aldrich
  • Thermo Scientific Chemicals
  • TRC
Package
  • 1g
  • 5g
  • 10g
  • 25g
  • 50G
  • 100g
  • 0.25kg
  • 0.5kg
  • 500g
  • 1kg
  • 2kg
  • 5kg
  • Manufactureraablocks
  • Product numberAA002SVH
  • Product description4,4'-(Diazene-1,2-diyl)bis(4-cyanopentanoic acid) ≥98%
  • Packaging5g
  • Price$12
  • Updated2026-05-28
  • Buy
  • Manufactureraablocks
  • Product numberAA002SVH
  • Product description4,4'-(Diazene-1,2-diyl)bis(4-cyanopentanoic acid) ≥98%
  • Packaging500g
  • Price$286
  • Updated2026-05-28
  • Buy
  • ManufacturerAmerican Custom Chemicals Corporation
  • Product numberCHM0011204
  • Product description4,4'-AZOBIS(4-CYANOVALERIC ACID) 95.00%
  • Packaging5G
  • Price$889.35
  • Updated2021-12-16
  • Buy
  • ManufacturerAmerican Custom Chemicals Corporation
  • Product numberCHM0011204
  • Product description4,4'-AZOBIS(4-CYANOVALERIC ACID) 95.00%
  • Packaging50G
  • Price$2627.63
  • Updated2021-12-16
  • Buy
  • ManufacturerBiosynth
  • Product numberFD155718
  • Product description4,4'-Azobis(4-cyanovaleric acid)
  • Packaging2kg
  • Price$778.8
  • Updated2026-06-04
  • Buy
  • ManufacturerBiosynth
  • Product numberFD155718
  • Product description4,4'-Azobis(4-cyanovaleric acid)
  • Packaging5kg
  • Price$1622.5
  • Updated2026-06-04
  • Buy
  • ManufacturerBiosynth
  • Product numberFD155718
  • Product description4,4'-(Diazene-1,2-diyl)bis(4-cyanopentanoic acid)
  • Packaging50g
  • Price$250
  • Updated2021-12-16
  • Buy
  • ManufacturerBiosynth
  • Product numberFD155718
  • Product description4,4'-Azobis(4-cyanovaleric acid)
  • Packaging0.5kg
  • Price$324.5
  • Updated2026-06-04
  • Buy
  • ManufacturerBiosynth
  • Product numberFD155718
  • Product description4,4'-(Diazene-1,2-diyl)bis(4-cyanopentanoic acid)
  • Packaging100g
  • Price$350
  • Updated2021-12-16
  • Buy
  • ManufacturerBiosynth
  • Product numberFD155718
  • Product description4,4'-Azobis(4-cyanovaleric acid)
  • Packaging1kg
  • Price$519.2
  • Updated2026-06-04
  • Buy
  • ManufacturerBiosynth
  • Product numberFD155718
  • Product description4,4'-Azobis(4-cyanovaleric acid)
  • Packaging0.25kg
  • Price$194.7
  • Updated2026-06-04
  • Buy
  • ManufacturerBiosynth
  • Product numberFD155718
  • Product description4,4'-(Diazene-1,2-diyl)bis(4-cyanopentanoic acid)
  • Packaging25g
  • Price$200
  • Updated2021-12-16
  • Buy
  • ManufacturerBiosynth
  • Product numberFD155718
  • Product description4,4'-(Diazene-1,2-diyl)bis(4-cyanopentanoic acid)
  • Packaging5G
  • Price$100
  • Updated2021-12-16
  • Buy
  • ManufacturerBiosynth
  • Product numberFD155718
  • Product description4,4'-(Diazene-1,2-diyl)bis(4-cyanopentanoic acid)
  • Packaging10g
  • Price$150
  • Updated2021-12-16
  • Buy
  • ManufacturerFrontier Specialty Chemicals
  • Product numberJK418099
  • Product description4,4′-Azobis(4-cyanovaleric acid) 98%
  • Packaging100g
  • Price$156
  • Updated2021-12-16
  • Buy
  • ManufacturerFrontier Specialty Chemicals
  • Product numberJK418099
  • Product description4,4′-Azobis(4-cyanovaleric acid) 98%
  • Packaging25g
  • Price$56
  • Updated2021-12-16
  • Buy
Manufacturer Product number Product description Packaging Price Updated Buy
aablocks AA002SVH 4,4'-(Diazene-1,2-diyl)bis(4-cyanopentanoic acid) ≥98% 5g $12 2026-05-28 Buy
aablocks AA002SVH 4,4'-(Diazene-1,2-diyl)bis(4-cyanopentanoic acid) ≥98% 500g $286 2026-05-28 Buy
American Custom Chemicals Corporation CHM0011204 4,4'-AZOBIS(4-CYANOVALERIC ACID) 95.00% 5G $889.35 2021-12-16 Buy
American Custom Chemicals Corporation CHM0011204 4,4'-AZOBIS(4-CYANOVALERIC ACID) 95.00% 50G $2627.63 2021-12-16 Buy
Biosynth FD155718 4,4'-Azobis(4-cyanovaleric acid) 2kg $778.8 2026-06-04 Buy
Biosynth FD155718 4,4'-Azobis(4-cyanovaleric acid) 5kg $1622.5 2026-06-04 Buy
Biosynth FD155718 4,4'-(Diazene-1,2-diyl)bis(4-cyanopentanoic acid) 50g $250 2021-12-16 Buy
Biosynth FD155718 4,4'-Azobis(4-cyanovaleric acid) 0.5kg $324.5 2026-06-04 Buy
Biosynth FD155718 4,4'-(Diazene-1,2-diyl)bis(4-cyanopentanoic acid) 100g $350 2021-12-16 Buy
Biosynth FD155718 4,4'-Azobis(4-cyanovaleric acid) 1kg $519.2 2026-06-04 Buy
Biosynth FD155718 4,4'-Azobis(4-cyanovaleric acid) 0.25kg $194.7 2026-06-04 Buy
Biosynth FD155718 4,4'-(Diazene-1,2-diyl)bis(4-cyanopentanoic acid) 25g $200 2021-12-16 Buy
Biosynth FD155718 4,4'-(Diazene-1,2-diyl)bis(4-cyanopentanoic acid) 5G $100 2021-12-16 Buy
Biosynth FD155718 4,4'-(Diazene-1,2-diyl)bis(4-cyanopentanoic acid) 10g $150 2021-12-16 Buy
Frontier Specialty Chemicals JK418099 4,4′-Azobis(4-cyanovaleric acid) 98% 100g $156 2021-12-16 Buy
Frontier Specialty Chemicals JK418099 4,4′-Azobis(4-cyanovaleric acid) 98% 25g $56 2021-12-16 Buy
Next Last

Properties

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)
pka :3.98±0.10(Predicted)
form :Solid
color :White
Water Solubility :Soluble in water.
Sensitive :Light Sensitive
BRN :1729856
InChI :1S/C12H16N4O4/c1-11(7-13,5-3-9(17)18)15-16-12(2,8-14)6-4-10(19)20/h3-6H2,1-2H3,(H,17,18)(H,19,20)/b16-15+
InChIKey :VFXXTYGQYWRHJP-FOCLMDBBSA-N
SMILES :CC(CCC(O)=O)(\N=N\C(C)(CCC(O)=O)C#N)C#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)

Safety Information

Symbol(GHS): Flame (GHS02)
Signal word: Danger
Hazard statements:
Code Hazard statements Hazard class Category Signal word Pictogram P-Codes
H242 Heating may cause a fire Self-reactive substances and mixtures; and Organic peroxides Type C, D,Type E, F
Type G		 Danger
Warning		 P210, P220, P234, P280, P370+P378,P403+P235, P411, P420, P501
Precautionary statements:
P210 Keep away from heat/sparks/open flames/hot surfaces. — No smoking.
P234 Keep only in original container.
P235 Keep cool.
P240 Ground/bond container and receiving equipment.
P370+P378 In case of fire: Use … for extinction.
P403 Store in a well-ventilated place.

Description

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.

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2-Propylpentanoic acid Estradiol valerate ETHYL 2-CYANOACRYLATE Pivalic acid Methylene dithiocyanate 2,2'-Azobis(2,4-dimethyl)valeronitrile 27776-21-2 BUTYRONITRILE tert-Butylamine 4-Amino-1-butanol 2,2'-Azodi(2-methylbutyronitrile) 2-AMINO-2-METHYL-PROPIONITRILE Valeronitrile 4-Methylvaleric acid Isobutyronitrile TERT-AMYLAMINE Valeric acid

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Suppliers and manufacturers

Langfang Hawk Techology & Development Co, Ltd.
4,4'-Azobis(4-cyano valeric acid)
$120.00
4,4'-Azobis(4-cyano valeric acid) CAS:2638-94-0
Hebei Chuanghai Biotechnology Co., Ltd
4,4'-Azobis(4-cyanovaleric acid)
$10.00
4,4'-Azobis(4-cyanovaleric acid) CAS:2638-94-0
Henan Fengda Chemical Co., Ltd
4,4''-Azobis(4-cyano valeric acid)
4,4''-Azobis(4-cyano valeric acid) CAS:2638-94-0
career henan chemical co
4,4'-Azobis(4-cyanovaleric acid)
$1.00
4,4'-Azobis(4-cyanovaleric acid) CAS:2638-94-0
Henan Tianfu Chemical Co.,Ltd.
NINGBO INNO PHARMCHEM CO., LTD.
BOC Sciences
CONIER CHEM AND PHARMA LIMITED
Richest Group Ltd
SIMAGCHEM CORP