532-28-5
Mandelonitrile
CAS: 532-28-5
Molecular Formula: C8H7NO
532-28-5 - Names and Identifiers
| Name | Mandelonitrile |
| Synonyms | MANDELONITRILE Mandelonitrile Phenylglycolonitrile phenyl-glycolonitril MANDELIC ACID NITRILE Benzaldehydcyanhydrin nitrilkyselinymandlove Benzaldehydecyanohydrin DL-MANDELIC ACID NITRILE Benzaldehyde cyanohydrin BENZALDEHYDE CYANOHYDRIN hydroxy(phenyl)acetonitrile alpha-Hydroxyphenylacetonitrile (2S)-hydroxy(phenyl)ethanenitrile DL-ALPHA-HYDROXYPHENYLACETONITRILE |
| CAS | 532-28-5 |
| EINECS | 208-532-7 |
| InChI | InChI=1/C8H7NO/c9-6-8(10)7-4-2-1-3-5-7/h1-5,8,10H/t8-/m1/s1 |
532-28-5 - Physico-chemical Properties
| Molecular Formula | C8H7NO |
| Molar Mass | 133.15 |
| Density | 1.117g/mLat 25°C(lit.) |
| Melting Point | -10 °C |
| Boling Point | 170°C(lit.) |
| Flash Point | 207°F |
| Solubility | alcohol: freely soluble |
| Vapor Presure | 0.00156mmHg at 25°C |
| Appearance | Liquid |
| Color | Yellow to brown |
| Merck | 14,5719 |
| BRN | 2207122 |
| pKa | 10.50±0.20(Predicted) |
| Storage Condition | Store below +30°C. |
| Stability | Stable, but moisture sensitive. Combustible. Incompatible with strong oxidizing agents. |
| Sensitive | Moisture Sensitive |
| Refractive Index | n20/D 1.530(lit.) |
| Physical and Chemical Properties | Light yellow transparent oily liquid. Melting Point -10 ℃, boiling point 170 ℃ (decomposition), flash point 97 ℃, relative density 1.115-1.120, refractive index 1.5315. Soluble in ethanol, ether, chloroform, almost insoluble in water. When heated, it is decomposed into hydrocyanic acid and benzaldehyde. |
532-28-5 - Risk and Safety
| Hazard Symbols | T - Toxic |
| Risk Codes | R23/24/25 - Toxic by inhalation, in contact with skin and if swallowed. R41 - Risk of serious damage to eyes |
| Safety Description | 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. |
| UN IDs | UN 3276 6.1/PG 3 |
| WGK Germany | 3 |
| RTECS | OO8400000 |
| FLUKA BRAND F CODES | 21 |
| TSCA | Yes |
| HS Code | 2926 90 70 |
| Hazard Class | 6.1 |
| Packing Group | III |
| Toxicity | LD50 orally in Rabbit: 116 mg/kg |
532-28-5 - Reference Information
| NIST chemical information | Information provided by: webbook.nist.gov (external link) |
| EPA chemical information | Information provided by: ofmpub.epa.gov (external link) |
| uses | organic intermediates. is one of the active ingredients in Laetrile (vitamin B17) drugs. |
| production method | is obtained by the addition of benzaldehyde and sodium cyanide. Dissolve sodium cyanide in water, stir and cool, add benzaldehyde dropwise at -5~5 ℃, add hydrochloric acid after adding, keep the temperature at about 10 ℃, and let stand. Dix the oil layer and wash it with water to obtain the finished product. |
| category | toxic substances |
| toxicity classification | highly toxic |
| acute toxicity | subcutaneous-mouse LDL0 1.16 mg/kg |
| stimulation data | eyes-rabbit 0.25 mg/24 hours severe |
| flammable hazard characteristics | flammable; heated to release toxic hydrogen cyanide and nitrogen oxide gas |
| storage and transportation characteristics | warehouse ventilation and low temperature drying; Separate storage and transportation from oxidants, acids and food |
| fire extinguishing agent | dry powder, sand, foam, carbon dioxide |
Last Update：2024-04-10 22:29:15
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