Diaethylsulfat
Diethyl sulfate
CAS: 64-67-5
Molecular Formula: C4H10O4S
Diaethylsulfat - Names and Identifiers
| Name | Diethyl sulfate |
| Synonyms | DS Ethylsulpate Diaethylsulfat Diethylsulfate butane sulfate Diethyl sulfate Diethyl sulphate sulfatediethylique diethyltetraoxosulfate diethylesterkyselinysirove Parecoxib Sodium Impurity 28 Diethylester kyseliny sirove Sulphuric acid diethyl ester |
| CAS | 64-67-5 |
| EINECS | 200-589-6 |
| InChI | InChI=1/C4H10.H2O4S/c1-3-4-2;1-5(2,3)4/h3-4H2,1-2H3;(H2,1,2,3,4)/p-2 |
Diaethylsulfat - Physico-chemical Properties
| Molecular Formula | C4H10O4S |
| Molar Mass | 154.18 |
| Density | 1.177 g/mL at 25 °C (lit.) |
| Melting Point | -24 °C (lit.) |
| Boling Point | 208 °C (lit.) |
| Flash Point | 173°F |
| Water Solubility | 5 g/L (20 ºC) |
| Solubility | soluble in Ether,Alcohol |
| Vapor Presure | <0.01 mm Hg ( 20 °C) |
| Vapor Density | 5.3 (vs air) |
| Appearance | Liquid |
| Color | Clear |
| Merck | 14,3130 |
| BRN | 1209714 |
| Storage Condition | Refrigerator (+4°C) |
| Stability | Moisture sensitive. May react violently with oxidizing agents. |
| Refractive Index | n20/D 1.399(lit.) |
| Physical and Chemical Properties | Density 1.177 melting point -24°C boiling point 208°C refractive index 1.399-1.401 flash point 104°C water-soluble 5g/L (20°C) |
| Use | Used in pharmaceutical, dye, perfume and pesticide industries |
Diaethylsulfat - Risk and Safety
| Hazard Symbols | T - Toxic |
| Risk Codes | R45 - May cause cancer R46 - May cause heritable genetic damage R20/21/22 - Harmful by inhalation, in contact with skin and if swallowed. R34 - Causes burns |
| Safety Description | S53 - Avoid exposure - obtain special instructions before use. S45 - In case of accident or if you feel unwell, seek medical advice immediately (show the label whenever possible.) |
| UN IDs | UN 1594 6.1/PG 2 |
| WGK Germany | 3 |
| RTECS | WS7875000 |
| TSCA | Yes |
| HS Code | 29209090 |
| Hazard Class | 6.1 |
| Packing Group | II |
| Toxicity | LD50 orally in rats: 0.88 g/kg (Smyth) |
Diaethylsulfat - Upstream Downstream Industry
| Downstream Products | Ethyl 2-ethylacetoacetate Crotamiton |
Diaethylsulfat - Reference Information
| NIST chemical information | information provided by: webbook.nist.gov (external link) |
| (IARC) carcinogen classification | 2A (Vol. 54, 71) 1999 |
| EPA chemical substance information | information provided by: ofmpeb.epa.gov (external link) |
| Application | diethyl sulfate is a reactive ethyl agent, which is widely used in the production of dyes, pharmaceuticals and other fine chemical products. Also used in the synthesis of quaternary ammonium salt, used as dehydrating agent, volatile oil extraction agent. used for ethoxylation of phenols used in medicine, dyes, spices, pesticides, etc., also used as ethylation reagent, ethylene sulfonation accelerator. Diethyl sulfate is a mutagen commonly used in plant or microbial breeding. DNA single strand breaks were induced by diethyl sulfate in barley seeds. used in pharmaceutical, dye, perfume and pesticide industries |
| production method | There are a variety of production methods. 1. Obtained by the reaction of ethanol and sulfuric acid. 2. By the Ether and the role of chlorosulfonic acid. 3. Diethyl sulfate can be obtained by heating monoethyl sulfate or distilling it in the presence of a dehydrating agent. Ethylene was reacted with sulfuric acid to obtain diethyl sulfate. |
| category | toxic substances |
| toxicity grade | poisoning |
| Acute toxicity | oral-rat LD50: 880 mg/kg; Oral-mouse LD50: 647 mg/kg |
| stimulation data | Skin-rabbits 10 mg/24 h severe; eye-rabbit 2 mg severe |
| flammability hazard characteristics | open flame, high heat flammable; High heat release toxic sulfur oxide gas; And water, oxidant reaction |
| storage and transportation characteristics | The warehouse is ventilated and dried at low temperature, separate storage of food additives |
| fire extinguishing agent | foam, carbon dioxide, sand |
| Occupational Standard | TWA 0.03 PPM (0.2 mg/m3) |
| toxic substance data | information provided by: pubchem.ncbi.nlm.nih.gov (external link) |
Last Update：2024-04-10 22:29:15
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