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Basic information

  • Name:

  • Cyanoacetic acid

  • CAS No.:

  • 372-09-8

  • Formula:
  • C3H3NO2
  • Synonyms:
  • Aceticacid, cyano- (6CI,8CI,9CI);2-Cyanoacetic acid;Malonic mononitrile;Monocyanoacetic acid;NSC 5571;

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Chemistry

Molecular structure of Cyanoacetic acid (CAS NO.372-09-8) is:

Product Name: Cyanoacetic acid
CAS Registry Number: 372-09-8
IUPAC Name: 2-cyanoacetic acid
Molecular Weight: 85.06142 [g/mol]
Molecular Formula: C3H3NO2
XLogP3: -0.8
H-Bond Donor: 1
H-Bond Acceptor: 3 
EINECS: 206-743-9
Melting Point: 65 °C
Surface Tension: 57 dyne/cm
Density: 1.287 g/cm3
Flash Point: 107.8 °C
Enthalpy of Vaporization: 61.58 kJ/mol
Boiling Point: 318.5 °C at 760 mmHg
Vapour Pressure: 7.55E-05 mmHg at 25 °C
Storage temp.: Store at 0-5°C
Water Solubility: 1000 g/L (20 °C)
Sensitive: Hygroscopic
Product Categories: Pharmaceutical Intermediates;C1 to C5;Carbonyl Compounds;Carboxylic Acids

Uses

 Cyanoacetic acid (CAS NO.372-09-8) is used for organic synthesis,and also used in the manufacture of Caffeine in medicine

Toxicity Data With Reference

Organism Test Type Route Reported Dose (Normalized Dose) Effect Source
frog LDLo subcutaneous 1300mg/kg (1300mg/kg) LUNGS, THORAX, OR RESPIRATION: DYSPNEA Archives Internationales de Pharmacodynamie et de Therapie. Vol. 5, Pg. 161, 1899.
mouse LD50 intraperitoneal 200mg/kg (200mg/kg)   National Technical Information Service. Vol. AD691-490,
rabbit LDLo subcutaneous 1900mg/kg (1900mg/kg) PERIPHERAL NERVE AND SENSATION: SPASTIC PARALYSIS WITH OR WITHOUT SENSORY CHANGE

LUNGS, THORAX, OR RESPIRATION: RESPIRATORY DEPRESSION		 Archives Internationales de Pharmacodynamie et de Therapie. Vol. 5, Pg. 161, 1899.
rat LD50 oral 1500mg/kg (1500mg/kg) BEHAVIORAL: CHANGES IN MOTOR ACTIVITY (SPECIFIC ASSAY)

LUNGS, THORAX, OR RESPIRATION: DYSPNEA

SKIN AND APPENDAGES (SKIN): HAIR: OTHER		 Personal Communication from LONZA Ltd., CH-4002, Basel, SwitzerlandVol. 12JAN1981,

Safety Profile

Hazard Codes: CorrosiveC
Risk Statements: 22-31-34-52/53-20/22 
R22:Harmful if swallowed. 
R31 :Contact with acids liberates toxic gas. 
R34:Causes burns. 
R52/53:Harmful to aquatic organisms, may cause long-term adverse effects in the aquatic environment. 
R20/22:Harmful by inhalation and if swallowed.
Safety Statements: 26-36/37/39-45-61-20 
S26: In case of contact with eyes, rinse immediately with plenty of water and seek medical advice. 
S36/37/39:Wear suitable protective clothing, gloves and eye/face protection. 
S45:In case of accident or if you feel unwell, seek medical advice immediately (show the label whenever possible.) 
S61:Avoid release to the environment. Refer to special instructions / safety data sheets. 
S20:When using, do not eat or drink.
RIDADR: UN 3261 8/PG 2
WGK Germany: 2
RTECS: AG3675000
F: 3-10-21
HazardClass: 8
PackingGroup: II

Specification

 Cyanoacetic acid , its cas register number is 372-09-8. It also can be called Malonic acid mononitrile ; Malonic mononitrile ; Monocyanoacetic acid ; Acetic acid, 2-cyano- ; Acetic acid, cyano- .It is a yellow-brown liquid with an unpleasant odor and it can sinks and mixes with water.

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