偏磷酸
Metaphosphoric acid
| CAS NO： | 37267-86-0 |
| 规格： | ACS, 33.5-36.5%, bal. NaPO{3} (Stablizer) |
| 包装规格： | 10g，100g，500g，100 G，500 G，5 G，2.5 KG，2.5kg，3kg |
| 优惠价： | QQ在线咨询在线留言 |
产品价格
| 产品编号 | 品牌 | 包装单位 | 单价(元) | 现货 |
| 3052242 | Alfa Aesar | 10g | 993 | 请咨询 |
| 3052242 | Alfa Aesar | 100g | 2500 | 请咨询 |
| 3052242 | Alfa Aesar | 500g | 9240 | 请咨询 |
| 3052243 | Alfa Aesar | 100g | 983 | 请咨询 |
| 3052243 | Alfa Aesar | 500g | 3740 | 请咨询 |
| 3109057 | Sigma-Aldrich | 100 G | 1950 | 请咨询 |
| 3109058 | Sigma-Aldrich | 500 G | 918 | 请咨询 |
| 3109059 | Sigma-Aldrich | 100 G | 1240 | 请咨询 |
| 3109059 | Sigma-Aldrich | 500 G | 3920 | 请咨询 |
| 3109060 | Sigma-Aldrich | 100 G | 1300 | 请咨询 |
| 3109061 | Sigma-Aldrich | 5 G | 819 | 请咨询 |
| 3109061 | Sigma-Aldrich | 100 G | 2100 | 请咨询 |
| 3109061 | Sigma-Aldrich | 500 G | 5410 | 请咨询 |
| 3109061 | Sigma-Aldrich | 2.5 KG | 17900 | 请咨询 |
| 3475512 | Alfa Aesar | 100g | 2290 | 请咨询 |
| 3475512 | Alfa Aesar | 500g | 6550 | 请咨询 |
| 3475512 | Alfa Aesar | 2.5kg | 26010 | 请咨询 |
| 3477931 | Alfa Aesar | 100g | 1520 | 请咨询 |
| 3477931 | Alfa Aesar | 500g | 3750 | 请咨询 |
| 4023527 | Alfa Aesar | 500g | 3620 | 请咨询 |
| 4023785 | Alfa Aesar | 500g | 2000 | 请咨询 |
| 4028096 | Alfa Aesar | 100g | 1130 | 请咨询 |
| 4030414 | Alfa Aesar | 3kg | 18850 | 请咨询 |
结构式
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基本信息
| 应用 | Metaphosphoric acid is used as a dehydrating agent. Its derivative, sodium hexametaphosphate is used as a sequestrant and a food additive. It is also used as phosphorylating agent, analytical reagent and in dental cements. |
| 备注 | Hygroscopic. Moisture sensitive. Incompatible with strong bases, most metals and oxidizing agents. |
| MDL | MFCD00011351 |
| EINECS | 253-433-4 |
| 分子式 | HPO3 |
| 分子量 | 79.98 |
| 密度 | 2.2 |
| 灵敏度 | Hygroscopic. Ambient temperatures. |
| 形态 | Crystalline |
| 溶解性 | Decomposes in water. Soluble in alcohol. |
| Merck | 14,7345 |
| 包装组 | III |
| 危险类别 | 34 Causes burns. |
Grade Specifications
| Grade Specifications | Maximum level of impurities: Stabilizer (NaPO3) 57.0-63.0%, Cl 0.001%, NO3 0.001%, SO4 0.005%, As 1ppm, Heavy Metals (as Pb) 0.005%, Fe 0.005%, Substances reducing permanganate (as H3PO3) 0.02% |
安全信息
| 危险等级 | 8 |
| 安全等级 | 26-36/37/39-45-60 In case of contact with eyes, rinse immediately with plenty of water and seek medical advice.Wear suitable protective clothing, gloves and eye/face protection.In case of accident or if you feel unwell, seek medical advice immediately (show the label where possible).This material and its container must be disposed of as hazardous waste |
| 欧盟危险品标志 |  |
| TSCA | 是 |
GHS危害和防范说明
| GHS符号 |   |
| Hazard Statements | H314-H318-H335 Causes severe skin burns and eye damage.Causes serious eye damage.May cause respiratory irritation. |
| Precautionary Statements | P260h-P303+P361+P353-P305+P351+P338-P301+P330+P331-P405-P501a IF ON SKIN (or hair): Remove/Take off immediately all contaminated clothing. Rinse skin with water/shower.IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continue rinsing.IF SWALLOWED: Rinse mouth. Do NOT induce vomiting.Store locked up.Dispose of contents/container in accordance with local/regional/national/international regulations. |