C12H11O2P
218.19 g/mol
Pharmaceutical IntermediateWarning
Diphenylphosphinic acid
CAS1707-03-5EC216-948-5
Category
Pharmaceutical Intermediate
Compound Class
Organic Acid
Primary Use
Pharmaceutical Intermediate
Diphenylphosphinic acid is a chemical compound used as a pharmaceutical intermediate. It serves as a building block in the synthesis of various pharmaceutical agents.
Pharmaceutical intermediate
Content scope: Information here supports chemical identification and industrial supply, research, and manufacturing contexts. It is not a therapeutic claim, medical advice, or drug-use instructions.
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Related Compounds
ReferenceSame Category
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ReferenceSame Category
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pharmaceutical intermediate
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pharmaceutical intermediate
ReferenceSame Category
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pharmaceutical intermediate
Referencesame scaffold
Diphenylphosphinic chloride
CAS1499-21-4
chemical reagent for phosphorylation
Referencesame scaffold
Sodium 5-(diphenylphosphoryl)pentanoate
CAS71140-70-0
chemical intermediate for synthesis
Referencesame scaffold
Phosphine oxide, [(2R)-2,3-dimethyl-3-[(triethylsilyl)oxy]butyl]diphenyl-
CAS1227926-70-6
pharmaceutical intermediate
Safety Reference
Warning
H315Causes skin irritation
H319Causes serious eye irritation
H335May cause respiratory irritation
Customs Tariff Classification
The international HS code for Diphenylphosphinic acid (CAS 1707-03-5) is 2931.49.
HS code (international, 6-digit)
2931.49
EU CN code (8-digit)
2931 49 80
Classification per the EU customs inventory ECICS (2026-07 snapshot, HS 2022). National tariff lines and product form can affect the final classification.
Identifiers
IUPAC Name
diphenylphosphinic acid
InChIKey
BEQVQKJCLJBTKZ-UHFFFAOYSA-N
SMILES
C1=CC=C(C=C1)P(=O)(C2=CC=CC=C2)O
Synonyms (7)
- Diphenylphosphinic acid
- PHOSPHINIC ACID, DIPHENYL-
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