英文名称：Phosphoric acidCAS号：7664-38-2分子式：H3O4P分子量：98EINECS号：231-633-2

熔点 ~40 °C(lit.)
沸点 158 °C(lit.)
密度 1.685 g/mL at 25 °C(lit.)
蒸气密度3.4 (vs air)
蒸气压2.2 mm Hg ( 20 °C)
折射率 n20/D 1.433
FEMA 2900 | PHOSPHORIC ACID储存条件 Store below +30°C.溶解度 H₂O: soluble
酸度系数(pKa)2.1-7.2-12.3(at 25℃)形态Solid or Viscous Liquid比重1.7颜色≤10(APHA)
PH值<0.5 (100g/l, H2O, 20℃)水溶解性 MISCIBLE最大波长(λmax)λ: 260 nm Amax: ≤0.05
λ: 280 nm Amax: ≤0.04Merck 14,7344BRN 1921286暴露限值TLV-TWA 1 mg/m³ (ACGIH, MSHA, and OSHA); TLV-STEL 3 mg/m³ (ACGIH).InChIKeyNBIIXXVUZAFLBC-UHFFFAOYSA-N

危险性符号(GHS)
GHS05警示词Danger危险性描述H318-H290-H314防范说明P260h-P301+P330+P331-P405-P501a-P280-P303+P361+P353-P304+P340+P310-P305+P351+P338-P310-P260危险品标志 C,Xn,T,F危险类别码 34-35-22-39/23/24/25-36/38-23/24/25-11安全说明 7-16-26-36/37-45-36/37/39-1/2-24/25危险品运输编号 UN 3453 8/PG 3
WGK Germany 3
RTECS号TB6300000
F 3-10TSCA Yes海关编码 2809 20 00HazardClass 8PackingGroup III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%.