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CAS号:
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7664-38-2
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英文名称:
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Phosphoric acid
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英文同义词:
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NFB;Sonac;EVITs;H3PO4;Marphos;linsuan;U.N. 1805;PHOS ACID;FEMA 2900;Phosphoric
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中文名称:
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磷酸
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中文同义词:
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磷酸;正磷;缩原磷酸;工业磷酸;磷酸5M;食用磷酸;一缩原磷酸;磷酸 溶液;乙烯利水剂;85%磷酸
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分子式:
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H3O4P
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分子量:
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98
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- 熔点 :
- ~40 °C(lit.)
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- 沸点 :
- 158 °C(lit.)
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- 密度 :
- 1.685 g/mL at 25 °C(lit.)
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- 蒸气密度:
- 3.4 (vs air)
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- 蒸气压:
- 2.2 mm Hg ( 20 °C)
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- 折射率 :
- n 20/D 1.433
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- FEMA :
- 2900 | PHOSPHORIC ACID
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- 储存条件 :
- Store below +30°C.
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- 溶解度 :
- H2O: soluble
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- 酸度系数(pKa):
- 2.1-7.2-12.3(at 25℃)
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- 形态:
- Solid or Viscous Liquid
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- 颜色:
- ≤10(APHA)
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- 比重:
- 1.7
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- 气味 (Odor):
- Odorless
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- 酸碱指示剂变色ph值范围:
- 1.5
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- PH值:
- <0.5 (100g/l, H2O, 20℃)
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- 水溶解性 :
- MISCIBLE
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- 最大波长(λmax):
- λ: 260 nm Amax: ≤0.05λ: 280 nm Amax: ≤0.04
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- Merck :
- 14,7344
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- BRN :
- 1921286
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- 暴露限值:
- TLV-TWA 1 mg/m3 (ACGIH, MSHA, and OSHA); TLV-STEL 3 mg/m3 (ACGIH).
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- InChIKey:
- NBIIXXVUZAFLBC-UHFFFAOYSA-N
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- CAS 数据库:
- 7664-38-2(CAS DataBase Reference)
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- NIST化学物质信息:
- Phosphoric acid(7664-38-2)
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- EPA化学物质信息:
- Phosphoric acid (7664-38-2)
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| 危险类别码 : |
34-35-22-39/23/24/25-36/38-23/24/25-11 |
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| 安全说明 : |
7-16-26-36/37-45-36/37/39-1/2-24/25 |
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| 毒害物质数据: |
7664-38-2(Hazardous Substances Data) |
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| 毒性: |
ADI 0 to 70 mg / kg (total phosphate content in terms of phosphorus, FAO / WHO, 2001). GRAS (FDA, § 182.1073, 2000). LD501530mg / kg (rat, oral). In case of daily intake of 2 ~ 4 g, it can cause mild diarrhea. The amount of sour agent used as a cola drink is 0.02% to 0.06%. |
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