| CAS No.: | 13598-36-2 |
|---|---|
| Formula: | H3o3p |
| EINECS: | 237-066-7 |
| Classification: | Phosphoric Acid |
| Appearance: | Powder |
| Grade Standard: | Agriculture Grade |
| Customization: |
|---|
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| Name | Phosphorous acid |
| Synonyms | Phosphonsure AURORA KA-1076 Phosphonic acid Orthophosphorus Phosphorous acid Trihydroxyphosphine hydrogen phosphonate Orthophosphorous acid phosphorustrihydroxide PHOSPHOROUSACID,REAGENT Phosphorus trihydroxide phosphorus(+3) trihydride cation trihydroxide |
| CAS | 13598-36-2 |
| EINECS | 237-066-7 |
| InChI | InChI=1/3H2O.H3P/h3*1H2;1H3/q;;;+3/p-3 |
| Molecular Formula | H3O3P |
| Molar Mass | 82 |
| Density | 1.651g/mLat 25°C(lit.) |
| Melting Point | 73 °C |
| Boling Point | 200 °C |
| Flash Point | 200°C |
| Water Solubility | SOLUBLE |
| Vapor Presure | 0.001Pa at 20ºC |
| Appearance | Crystals |
| Specific Gravity | 1.651 |
| Color | White |
| Merck | 14,7346 |
| pKa | pK1 1.29; pK2 6.74(at 25ºC) |
| Storage Condition | 0-6°C |
| Stability | Stable. Incompatible with strong bases. Hygroscopic. |
| Sensitive | Air Sensitive & Hygroscopic |
| Physical and Chemical Properties | Colorless crystals. |
| Use | Used as a reducing agent, nylon whitening agent, also used as phosphite raw materials, pesticide intermediates |
| Hazard Symbols | C - Corrosive |
| Risk Codes | R22 - Harmful if swallowed R35 - Causes severe burns |
| Safety Description | 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.) |
| UN IDs | UN 2834 8/PG 3 |
| WGK Germany | 1 |
| RTECS | SZ6400000 |
| FLUKA BRAND F CODES | 3 |
| TSCA | Yes |
| HS Code | 28092019 |
| Hazard Class | 8 |
| Packing Group | III |
| Raw Materials | Phosphorus trichloride |
| Downstream Products | phosphine Glyphosate Lead phosphite,dibasic 2-Hydroxyphosphonoacetic Acid Diethylenetriaminepenta(methylenephosphonic) acid |
Located in Guangrao County of Dongying City in the central city of the Yellow River Delta of China, Dongying Hengyu Chemical Co., Ltd enjoys superior geographical location, developed economy and convenient transportation. At present, we are a diversified & integrated enterprise specializing in the research and development, production and sales of chemical products.
Now, our business scope mainly involves pharmaceuticals, pesticide intermediates and fine chemicals and other fields. Under the support of strong technical force, advanced testing instruments and well-operated production equipment, as well as a work team with professional knowledges and rich sales experiences, we have successfully established and founded the markets for our products, which own great market potential.
Our main products are: dichloroacetyl chloride, acetyl chloride, trichloroethylene, trimethylacetyl chloride, trimethyl orthoacetate, n-butyryl chloride, aluminum chloride (anhydrous), trimethyl orthoformate, chloroacetyl chloride, phosphorous acid, N,N-dimethylformamide, propionic acid, cyclohexanone, isobutyryl chloride, trichloroacetyl chloride and other products.
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