compound introduction
无味。微吸湿。加热至225-250℃生成酸性焦磷酸钠，350-400℃形成偏磷酸钠。半数致死量(大鼠，肌肉)250mg/kg。易溶于水，水溶液呈酸性，在湿空气中能结块，几乎不溶于乙醇。加热至100℃时则脱水，在190－210℃时生成焦磷酸钠，在280－300℃分解为偏磷酸钠。缓冲剂,软水剂。医药工业用于制兴奋剂和果子盐。用作洗涤剂、酸度缓冲剂和染料的助剂，也用于锅炉水处理、云母片砌合、焙粉制造和电镀等。
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Sodium dihydrogen phosphate anhydrous
Dangerous GoodsCAS number：7558-80-7 molecular formula：NaH2PO4
overview
Specs
| Chinese alias | 磷酸二氢钠,磷酸一钠 | ||
| English alias | 3 | NaH2PO4 | SODIUM PHOSPHATE, MONOBASIC, ANHYDROUS [II] | Sodium phosphate monobasic, USP, 98.0-103.0% | 2-Methyl-3-(pyridin-4-ylmethyl)quinazolin-4(3H)-one | Sodium dihydrogenorthophosphate | sodium;dihydrogen phosphate | EINECS 231-449-2 | F85262 | MF | ||
| CAS number | 7558-80-7 | molecular formula | NaH2PO4 |
| molecular weight | 119.98 g/mol | Exact mass | - |
| PSA | 80.600 Ų | logp | - |
numbering system
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physicochemical properties
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Safety information
WGK Germany：
1
Personal protective equipment：
Eyeshields,Gloves
Production methods and uses
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upstream information
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MSDS
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