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619-65-8

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Identification

Name
4-Cyanobenzoic acid
CAS
619-65-8
Synonyms
4-CARBOXYBENZONITRILE
4-CYANOBENZOIC ACID
4-Cyanobenzoic acid p-Cyanobenzoic acid
P-CYANOBENZOIC ACID
RARECHEM AL BE 0074
TEREPHTHALIC ACID MONONITRILE
TIMTEC-BB SBB008570
4-cyanobenzoic
4-cyano-benzoicaci
Benzoic acid, p-cyano-
p-Carboxybenzonitrile
Terephthalic mononitrile
4-Cyanobenzoic acid,98%
4-Cyanobenzoic Acid/4-Carboxybenzonitrile
4-Cyanobenoic acid
Benzoic acid, 4-cyano-(9CI)
Cyanobenzoicacid
EINECS(EC#)
210-606-9
Molecular Formula
C8H5NO2
MDL Number
MFCD00002528
Molecular Weight
147.13
MOL File
619-65-8.mol

Chemical Properties

Appearance
white powder
Melting point 
219-221 °C (dec.)(lit.)

mp 
219-221 °C (dec.)(lit.)

Boiling point 
267.22°C (rough estimate)
density 
1.3067 (rough estimate)
refractive index 
1.5510 (estimate)
storage temp. 
Store below +30°C.
solubility 
Soluble in methanol.
form 
Crystalline Powder
pka
3.55(at 25℃)
color 
White to yellow-beige
Stability:
Stable. Incompatible with strong oxidizing agents, strong acids, strong bases.
Sensitive 
Air Sensitive
Detection Methods
HPLC,NMR
BRN 
1862865
CAS DataBase Reference
619-65-8(CAS DataBase Reference)
NIST Chemistry Reference
Benzoic acid, 4-cyano-(619-65-8)
EPA Substance Registry System
Benzoic acid, 4-cyano- (619-65-8)

Safety Data

Hazard Codes 
Xn,Xi
Risk Statements 
R20/21/22:Harmful by inhalation, in contact with skin and if swallowed .
R36/37/38:Irritating to eyes, respiratory system and skin .
Safety Statements 
S26:In case of contact with eyes, rinse immediately with plenty of water and seek medical advice .
S36:Wear suitable protective clothing .
S22:Do not breathe dust .
RIDADR 
3276
WGK Germany 
3

Hazard Note 
Harmful/Irritant/Air Sensitive
TSCA 
Yes
HazardClass 
6.1
PackingGroup 
III
HS Code 
29269095

Raw materials And Preparation Products

Material Safety Data Sheet(MSDS)

Hazard Information

Chemical Properties
white powder
Uses
An inhibitor. The studies show that 4-cyanobenzaldehyde and 4-cyanobenzoic acid can inhibit both the monophenolase activity and the diphenolase activity of mushroom tyrosinase.
Synthesis Reference(s)
Tetrahedron Letters, 31, p. 7223, 1990 DOI: 10.1016/S0040-4039(00)97285-X
Purification Methods
Crystallise the acid from water and dry it in a vacuum desiccator over Sicapent. [Beilstein 9 IV 3324.]

Spectrum Detail

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