239275
偏磷酸
ACS reagent, chips, 33.5-36.5%
别名:
Metaphosphoric acid
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关于此项目
线性分子式:
(HPO3)n
化学文摘社编号:
NACRES:
NA.21
PubChem Substance ID:
UNSPSC Code:
12352106
MDL number:
Concentration:
33.5-36.5%
Form:
chips
Grade:
ACS reagent
InChI
1S/HO3P/c1-4(2)3/h(H,1,2,3)
SMILES string
OP(=O)=O
InChI key
UEZVMMHDMIWARA-UHFFFAOYSA-N
grade
ACS reagent
form
chips
contains
57.0-63.0% sodium phosphite as stabilizer
concentration
33.5-36.5%
Quality Level
pH
2 (33 g/L)
solubility
water: soluble
density
2 g/cm3
anion traces
MnO4- reducers: ≤0.02%, chloride (Cl-): ≤0.001%, nitrate (NO3-): ≤0.001%, sulfate (SO42-): ≤0.005%
cation traces
As: ≤1 ppm, Fe: ≤0.005%, heavy metals: ≤0.005% (by ICP)
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General description
偏磷酸是磷酸的聚合物形式。它被用作化学合成中用作催化剂和反应物。
Application
偏磷酸可以用作:
- 一种与InCl3 结合的催化剂，通过环 β-二酮和醛的反应合成 1,8-二氧代八氢氧杂蒽衍生物。
- 一种磷酸盐前体，用于通过与金属锑在高温下反应合成磷酸锑（SbPO4）。
signalword
Danger
hcodes
Hazard Classifications
Eye Dam. 1 - Skin Corr. 1
存储类别
8B - Non-combustible corrosive hazardous materials
flash_point_f
Not applicable
flash_point_c
Not applicable
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