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Tetrakis(hydroxymethyl)phosphonium sulfate

CAS No.: 55566-30-8

Chemical Name:: Tetrakis(hydroxymethyl)phosphonium sulfate

Synonyms: thps;BIS[TETRAKIS(HYDROXYMETHYL)PHOSPHONIUM] SULFATE;Tetrakis(hydroxymethyl)Phosphonium Sulphate;Tetrahydroxymethyl phosphonium sulfate;nci-c55050;pyrosettko;Retardol S;HISHICOLIN THPS;Ncgc00091951-01;THPS (Tech Grade)

CBNumber:: CB8461663

Molecular Formula:: C8H24O12P2S

Molecular Weight:: 406.28

MOL File:: 55566-30-8.mol

MSDS File:: SDS

Modify Date:: 2026/10/27 18:05:37

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Tetrakis(hydroxymethyl)phosphonium sulfate Properties

Melting point	-35°C
Boiling point	111°C
Density	1.41 g/cm3
vapor pressure	0Pa at 20℃
Flash point	Not applicable
storage temp.	Sealed in dry,Room Temperature
form	clear liquid
color	Colorless to Almost colorless
Specific Gravity	1.42
Water Solubility	>=10 g/100 mL at 18 ºC
BRN	8521357
Henry's Law Constant	5.8×10¹⁷ mol/(m³Pa) at 25℃, HSDB (2015)
InChI	InChI=1S/C4H12O4P.H2O4S/c5-1-9(2-6,3-7)4-8;1-5(2,3)4/h5-8H,1-4H2;(H2,1,2,3,4)/q+1;/p-1
InChIKey	HFDZMBPIARIWLN-UHFFFAOYSA-M
SMILES	[P+](CO)(CO)(CO)CO.S([O-])(=O)(=O)O
LogP	-9.8
CAS DataBase Reference	55566-30-8(CAS DataBase Reference)
EPA Substance Registry System	Tetrakis(hydroxymethyl)phosphonium sulfate (55566-30-8)

SAFETY

Risk and Safety Statements

Symbol(GHS)

GHS05,GHS06,GHS08

Signal word

Danger

Hazard statements

H302-H317-H318-H331-H350-H412

Precautionary statements

P273-P280-P301+P312-P304+P340+P311-P305+P351+P338-P308+P313

Hazard Codes

C,N,T

Risk Statements

22-34-43-50-41-20/22-45

Safety Statements

26-36/37/39-45-61-53

RIDADR

UN 2922 8/PG 3

WGK Germany

RTECS

TA2570000

TSCA

TSCA listed

HazardClass

6.1(b)

PackingGroup

III

HS Code

29319019

Storage Class

6.1C - Combustible acute toxic Cat.3
toxic compounds or compounds which causing chronic effects

Hazard Classifications

Acute Tox. 3 Inhalation
Acute Tox. 4 Oral
Aquatic Chronic 3
Carc. 1B
Eye Dam. 1
Skin Sens. 1

Hazardous Substances Data

55566-30-8(Hazardous Substances Data)

REACH Registrations

Active

NFPA 704

	1
3		0

Tetrakis(hydroxymethyl)phosphonium sulfate price More Price(4)

Manufacturer	Product number	Product description	CAS number	Packaging	Price	Updated	Buy
Sigma-Aldrich	15175	Bis[tetrakis(hydroxymethyl)phosphonium] sulfate solution technical, 70-75% in H2O (T)	55566-30-8	250ML	₹5011.98	2022-06-14	Buy
Sigma-Aldrich(India)	15175	Bis[tetrakis(hydroxymethyl)phosphonium] sulfate solution technical, 70-75% in H2O (T)	55566-30-8	250ML	₹5011.98	2022-06-14	Buy
TCI Chemicals (India)	T1089	Tetrakis(hydroxymethyl)phosphonium Sulfate (ca. 70-80% in Water)	55566-30-8	25G	₹2000	2022-05-26	Buy
TCI Chemicals (India)	T1089	Tetrakis(hydroxymethyl)phosphonium Sulfate (ca. 70-80% in Water)	55566-30-8	500G	₹6400	2022-05-26	Buy

Product number	Packaging	Price	Buy
15175	250ML	₹5011.98	Buy
15175	250ML	₹5011.98	Buy
T1089	25G	₹2000	Buy
T1089	500G	₹6400	Buy

Tetrakis(hydroxymethyl)phosphonium sulfate Chemical Properties,Uses,Production

Description

Tetrakis(hydroxymethyl)phosphonium sulfate (THPS) is an organophosphorus compound. It is used as a precursor in the flame retardant manufacturing process, a biocide in water systems, and a tanning agent in the leather industry. THPS is a safe aqueous solution with antimicrobial properties that is significantly less toxic, effective at lower concentrations, and more biodegradable than other traditional biocides.

General Description

Clear colorless viscous liquid.

Air & Water Reactions

Water soluble.

Reactivity Profile

Tetrakis(hydroxymethyl)phosphonium sulfate is incompatible with oxidizing materials and alkalis.

Fire Hazard

Tetrakis(hydroxymethyl)phosphonium sulfate is probably combustible.

Advantages

Advantage of the wet white tanned leathers, using THPS offers:
a light color and pastel shades
They can reach shrink temperatures of at least 70 grad C
High softness
Good lightness
Feeling of naturalness
Pleasant to the touch
Beauty that lasts for a long time
Can be burned without the risk of hexavalent chromium formation

Tetrakis(hydroxymethyl)phosphonium sulfate Preparation Products And Raw materials

Raw materials

Preparation Products

Tetrakis(hydroxymethyl)phosphonium sulfate Suppliers

Global( 409)Suppliers

Supplier	Tel	Country	ProdList	Advantage	Inquiry
TCI Chemicals (India) Pvt. Ltd.	1800 425 7889	New Delhi, India	6749	58	Inquiry
CHEMSWORTH	+91-261-2397244	Beijing, India	6683	30	Inquiry
Imkemex Marketing Private Limited	08068441148Ext 603	Mumbai, India	10	58	Inquiry
M/S Jain Paints And Chemicals	08048250264Ext 348	Delhi, India	1	58	Inquiry
Classic Technochem Corporation	08047629084	Maharashtra, India	27	58	Inquiry
Thakur Enterprises	08048372482Ext 371	Haryana, India	2	58	Inquiry
SIMAGCHEM CORP	+86-5922680277 +86-13806087780	China	17339	58	Inquiry
Chongqing Chuandong Chemical (Group) Co. Ltd.	+86-13637972665	China	81	58	Inquiry
XIAMEN AMITY INDUSTRY AND TRADE CO., LTD.	+8618950047208	China	43392	58	Inquiry
Hebei Chuanghai Biotechnology Co., Ltd	+86-15350571055	China	8737	58	Inquiry

Supplier	Advantage
TCI Chemicals (India) Pvt. Ltd.	58
CHEMSWORTH	30
Imkemex Marketing Private Limited	58
M/S Jain Paints And Chemicals	58
Classic Technochem Corporation	58
Thakur Enterprises	58
SIMAGCHEM CORP	58
Chongqing Chuandong Chemical (Group) Co. Ltd.	58
XIAMEN AMITY INDUSTRY AND TRADE CO., LTD.	58
Hebei Chuanghai Biotechnology Co., Ltd	58

Tetrakis(hydroxymethyl)phosphonium Sulfate: Antibacterial Hydrogels, Formulations & Oilfield Use
Tetrakis(hydroxymethyl)phosphonium sulfate forms DNA hydrogels, acts as an eco-friendly biocide in formulations, and controls ....
Sep 12，2025

Tetrakis(hydroxymethyl)phosphonium sulfate Spectrum

Tetrakis(hydroxymethyl)phosphonium sulfate(55566-30-8)¹HNMR

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Tetrakis(HydroxyMethyl) PhosphoniuM Sulphate (THPS) Bis[tetrakis(hydroxyMethyl)phosphoniuM Bis[tetrakis(hydroxymethyl)phosphonium] sulfate solution technical, 70-75% in H2O (T) Tetrakis(hydroxymethyl)phosphonium sulfate (75% aqueous solution) bis(tetrakis(hydroxymethyl)phosphonium)sulfate(salt) TETRAKIS(HYDROXYMETHYL)PHOSPHONIUM SULFATE octakis(hydroxymethyl)diphosphonium sulfate tetrakis(hydroxymethyl)phosphonium sulphate(2:1) TetrakisHydroxymethylPhosphoniumSulfate(Thps) Tetrakis(hydroxymethyl)phospho HISHICOLIN THPS PHOSPHONUIM,TETRAKIS(HYDROXYMETHYL)-,SULPHATE Tetrakis(hydroxymethyl)phosphoniumsulfat (2:1) TETRAKIS(HYDROXYMETHYL)-PHOSPHONIUSULFATE Tetrakis(hydroxymethyl)phosphonium Sulfate (ca. 70-80% in Water) bis[tetrakis(hydroxymethyl)phosphonium]sulfatesolution nci-c55050 octakis(hydroxymethyl)phosphoniumsulfate Phosphonium,tetrakis(hydroxymethyl)-,sulfate(2:1)(salt) pyrosettko tetrakis(hydroxymethyl)-phosphoniusulfate(2:1) tetrakis(hydroxymethyl)-phosphoniusulfate(2:1)(salt) Bis[tetrakis(hydroxyMethyl)phosphoniuM] sulfate solution,~75% in H2O Phosphonium, tetrakis(hydroxymethyl)-, sulfate (2:1) Retardol S 2[Tetrakis(hydroxymethyl)phosphonium]·sulfuric acid dianion Ncgc00091951-01 Tetrakis(hydroxymethyl)phosphonium sulfate, 70 - 80 wt.% solution in H2O THPS (Tech Grade) 75% Tetrakis(hydroxymethyl)phosphonium Sulfate Solution Tetrakis(hydroxymethyl) phosphonium sulfate (70-80 % in water) Tetrakis Hydroxymethyl phosphonium Sulfate / THPS 75% Phosphonium Sulfate Tetrakis(hydroxymethyl) phosphorous sulfate Tetrakis (Hydroxymethyl) Phosphonium Sulfate, 75% Aqueous Bis[tetrakis(hydroxymethyl)phosphonium] sulfate - 70-80% in water BIS[TETRAKIS(HYDROXYMETHYL)PHOSPHONIUM] SULFATE Phosphorus tetrahydroxymethyl sulfate Tetrakis(hydroxymethyl)phosphonium sulphate(2:1) (THPS) Bis[tetrakis(hydroxymethyl)phosphonium] sulfate solution,75% in water Tetrahydroxymethyl phosphate sulfate(THPS) Tetrakis(hydroxymethyl)Phosphonium Sulphate Tetrahydroxymethyl phosphonium sulfate thps Tetrakis Hydroxymethyl Phosphinium Sulphate (THPS) 55566-30-8 55566-60-8 566-30-8 1789-06-1 C8H24O12P2S C8H24O8P2O4S HOCH24P2SO4 Phosphonium Compounds Synthetic Reagents Phase Transfer Catalysts Phosphonium Salts Oil Industry microbiocide