HSDB 6381
Benzenearsonic acid
CAS: 98-05-5
Molecular Formula: C6H7AsO3
HSDB 6381 - Names and Identifiers
| Name | Benzenearsonic acid |
| Synonyms | AI3-16050 HSDB 6381 NSC 15566 BRN 2935741 ai3-16050[qr] Phenylarsonsure Phenylarsonic acid Benzenearsonic acid Arsonicacid,phenyl- Arsonic acid, phenyl- Monophenylarsonic acid arsonicacid,phenyl-[qr] Kyselina benzenarsonova Arsonic acid, As-phenyl- Phenyldihydroxyarsine oxide Kyselina benzenarsonova [Czech] 4-16-00-01183 (Beilstein Handbook Reference) |
| CAS | 98-05-5 |
| EINECS | 202-631-9 |
| InChI | InChI=1/C6H7AsO3/c8-7(9,10)6-4-2-1-3-5-6/h1-5H,(H2,8,9,10) |
HSDB 6381 - Physico-chemical Properties
| Molecular Formula | C6H7AsO3 |
| Molar Mass | 202.04 |
| Density | 1,76 g/cm3 |
| Melting Point | 160 °C |
| Boling Point | 66 °C(Press: 1 Torr) |
| Flash Point | 232.9°C |
| Water Solubility | 31.6g/L(28 ºC) |
| Solubility | 3.2% in water and 15.5% in ethanol. |
| Vapor Presure | 1.88E-08mmHg at 25°C |
| Appearance | Powder |
| Specific Gravity | 1.76 |
| Color | white |
| Merck | 14,1067 |
| pKa | pK2: 8.48(+1) (22°C) |
| Physical and Chemical Properties | White crystalline powder. Melting point 158-162 ℃ (decomposition), relative density 1.76. 100g28 ℃ water can dissolve 3.3g of the product, 84 ℃ water can dissolve 24g;100g of ethanol can dissolve 15.5g, insoluble in chloroform, stable to oxidant. |
HSDB 6381 - Risk and Safety
| Hazard Symbols | N - Dangerous for the environment T - Toxic  |
| Risk Codes | R50/53 - Very toxic to aquatic organisms, may cause long-term adverse effects in the aquatic environment. R23/25 - Toxic by inhalation and if swallowed. |
| Safety Description | S61 - Avoid release to the environment. Refer to special instructions / safety data sheets. S60 - This material and its container must be disposed of as hazardous waste. S45 - In case of accident or if you feel unwell, seek medical advice immediately (show the label whenever possible.) S28A - S20/21 - |
| UN IDs | 3280 |
| RTECS | CY3150000 |
| TSCA | Yes |
| HS Code | 29310099 |
| Hazard Class | 6.1 |
| Packing Group | III |
| Toxicity | LDLo orl-rat: 50 mg/kg JPETAB 93,287,48 |
HSDB 6381 - Reference Information
| EPA chemical substance information | information provided by: ofmpeb.epa.gov (external link) |
| Use | is used as an analytical reagent. |
| production method | is obtained by diazotization of aniline followed by reaction with arsenious acid. |
| category | toxic substances |
| toxicity grade | highly toxic |
| Acute toxicity | oral-rat LD50: 50 mg/kg; Oral-mouse LD50: 0.27 mg/kg |
| flammability hazard characteristics | Thermal decomposition toxic arsenide smoke |
| storage and transportation characteristics | The warehouse is ventilated and dried at low temperature; It is stored and transported separately from food raw materials |
| fire extinguishing agent | carbon dioxide, sand, water |
| Occupational Standard | TWA 0.2 mg (arsenic)/m3; Tel 0.6 mg (arsenic)/M3 |
| toxic substance data | information provided by: pubchem.ncbi.nlm.nih.gov (external link) |
Last Update：2024-04-09 02:00:12
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