Tetrakis(hydroxymethyl)phosphonium chloride
[CAS 124-64-1]

Identification

• Classification: Chemical reagent >> Organic reagent >> Phosphorus halide
• Name: Tetrakis(hydroxymethyl)phosphonium chloride
• Synonyms: Tetramethylolphosphonium chloride; THPC
• Molecular Formula: C₄H₁₂O₄P.Cl;C₄H₁₂ClO₄P
• Molecular Weight: 190.56
• CAS Registry Number: 124-64-1
• EC Number: 204-707-7

Properties

• Melting point: 154 °C
• Water solubility: >=10 g/100 mL at 20 °C

Safety Data

• Hazard Symbols: T;N
• Risk Statements: R21;R25;R38;R41;R42/43;R51/53
• Safety Statements: S22;S26;S36/37/39;S45;S60;S61

Hazard Classification

Hazard	Class	Category Code	Hazard Statement
Acute toxicity	Acute Tox.	3	H301
Serious eye damage	Eye Dam.	1	H318
Chronic hazardous to the aquatic environment	Aquatic Chronic	2	H411
Skin irritation	Skin Irrit.	2	H315
Acute toxicity	Acute Tox.	4	H312
Acute toxicity	Acute Tox.	3	H311
Respiratory sensitization	Resp. Sens.	1	H334
Skin sensitization	Skin Sens.	1	H317
Substances or mixtures corrosive to metals	Met. Corr.	1	H290
Acute hazardous to the aquatic environment	Aquatic Acute	1	H400
Skin corrosion	Skin Corr.	1B	H314
Reproductive toxicity	Repr.	1B	H360
Reproductive toxicity	Repr.	2	H361
Skin corrosion	Skin Corr.	1C	H314
Chronic hazardous to the aquatic environment	Aquatic Chronic	1	H410
Carcinogenicity	Carc.	1B	H350

• Transport Information: UN 2810