-
Name
Benzeneacetonitrile, a-hydroxy-
- EINECS 208-532-7
- CAS No. 532-28-5
- Article Data187
- CAS DataBase
- Density 1.117
- Solubility Decomposes
- Melting Point -10 C
- Formula C8H7 N O
- Boiling Point 170 C (Decomposes)
- Molecular Weight 133.15
- Flash Point 97 ºC
- Transport Information UN 3276
- Appearance yellow to brown liquid
- Safety 22-26-36/37/39-45-24/25
- Risk Codes R23/24/25
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Molecular Structure
-
Hazard Symbols
- Synonyms Mandelonitrile(6CI,7CI,8CI);(?à)-Mandelonitrile;(?à)-a-Mandelonitrile;2-Hydroxy-2-phenylacetonitrile;Benzaldehyde, cyanohydrin;Mandelic acid nitrile;NSC 77668;Phenylglycolonitrile;dl-Mandelonitrile;a-Cyanobenzyl alcohol;a-Hydroxybenzeneacetonitrile;a-Hydroxyphenylacetonitrile;
- PSA 44.02000
- LogP 1.24358
Mandelonitrile Chemical Properties
The IUPAC name of Mandelonitrile (CAS NO.532-28-5): 2-Hydroxy-2-phenylacetonitrile
Synonyms: (+-)-alpha-Hydroxybenzeneacetonitrile ; 4-10-00-00578 (Beilstein Handbook Reference) ;AI3-50437 ; Acetonitrile, hydroxyphenyl- ; Amygdalonitrile ; BRN 2207122 ; Benzaldehyde cyanohydrin ; Benzaldehydkyanhydrin ; Benzaldehydkyanhydrin [Czech] ; CCRIS 4656 ; Glycolonitrile, phenyl- ; Mandelic acid nitrile ; Mandelonitrile ; Mandelonitrile, (+-)- ; NSC 77668 ; Nitril kyseliny mandlove ; Nitril kyseliny mandlove [Czech] ; Phenylglycolonitrile
CAS: 532-28-5
EINECS 208-532-7
Molecular Formula: C8H7NO
Formula Weight: 133.15 g/mol
Molecular Structure:
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Index of Refraction: 1.567
Density: 1.169 g/cm3
Flash Point: 97.2 °C
Melting point: -10 °C
Boiling Point: 282.7 °C at 760 mmHg
Chemical Properties: reddish-brown liquid
General Description: Reddish-brown to dark red-brown liquid.
Air & Water: Reactions Mandelonitrile is sensitive to moisture. . Insoluble in water.
Mandelonitrile Toxicity Data With Reference
The toxicity of Mandelonitrile (CAS NO.532-28-5):
| Organism | Test Type | Route | Reported Dose (Normalized Dose) | Effect | Source |
|---|---|---|---|---|---|
| frog | LDLo | subcutaneous | 600ug/kg (0.6mg/kg) | PERIPHERAL NERVE AND SENSATION: SPASTIC PARALYSIS WITH OR WITHOUT SENSORY CHANGE LUNGS, THORAX, OR RESPIRATION: RESPIRATORY STIMULATION | Archives Internationales de Pharmacodynamie et de Therapie. Vol. 5, Pg. 161, 1899. |
| mouse | LD50 | intravenous | 5600ug/kg (5.6mg/kg) | U.S. Army Armament Research & Development Command, Chemical Systems Laboratory, NIOSH Exchange Chemicals. Vol. NX#07767, | |
| mouse | LDLo | subcutaneous | 23mg/kg (23mg/kg) | Archives Internationales de Pharmacodynamie et de Therapie. Vol. 12, Pg. 447, 1904. | |
| rabbit | LDLo | subcutaneous | 6mg/kg (6mg/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 |
Mandelonitrile Consensus Reports
Cyanide and its compounds are on the Community Right-To-Know List. Reported in EPA TSCA Inventory.
Mandelonitrile Safety Profile
The Hazard Codes of Mandelonitrile (CAS NO.532-28-5): 
T
Risk Statements: R23/24/25:Toxic by inhalation, in contact with skin and if swallowed.
Safety Statements: S22:Do not breathe dust. 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.) S24/25:Avoid contact with skin and eyes.
RIDADR: UN 3276 6.1/PG 3
WGK Germany: 3
RTECS: OO8400000
F: 21
HazardClass: 6.1
PackingGroup: II
Health Hazard:TOXIC; inhalation, ingestion or skin contact with material may cause severe injury or death. Contact with molten substance may cause severe burns to skin and eyes. Avoid any skin contact. Effects of contact or inhalation may be delayed. Fire may produce irritating, corrosive and/or toxic gases. Runoff from fire control or dilution water may be corrosive and/or toxic and cause pollution.
Fire Hazard: Mandelonitrile is combustible.
Poison by intravenous and subcutaneous routes. Mutation data reported. A severe eye irritant. When heated to decomposition it emits toxic fumes of NOx and CN−. See also NITRILES.
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