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Industrial Acids, Alkalis & Salts

Phosphorous Acid

IndustrialAvailable on request

Phosphorous Acid (CAS 13598-36-2) supplier Zemixal. Request a quote with price, lead time and documents. Exported from India with full paperwork.

Pack sizes
Phosphorous Acid chemical structure
CAS number13598-36-2
FormulaH3O3P
Molar mass82 g/mol
InChIKeyABLZXFCXXLZCGV-UHFFFAOYSA-N
IUPAC namephosphonic acid

About Phosphorous Acid

Phosphorous Acid is part of the Zemixal industrial Acids, Alkalis & Salts range. Identity at a glance (Industrial): CAS 13598-36-2, formula H3O3P and molar mass 82 g/mol.

Where it is used

  • pH adjustment
  • Chemical processing
  • Metal treatment & cleaning

Handling and storage

Classified under GHS with signal word Danger and hazard statements H302 and H314. Read the SDS before first use.

Standard pack sizes are 25 kg, 50 kg, 200 kg drum and 1 MT, and custom quantities are quoted on request. Each lot travels with a batch certificate of analysis and a 16-section SDS. Add it to your quote list and our team replies with price, lead time and shipping options within one business day.

Typical uses

  • pH adjustment
  • Chemical processing
  • Metal treatment & cleaning

Applications

Specifications and identifiers

Specifications of Phosphorous Acid
Product namePhosphorous Acid
Catalogue numberZX-018507
CAS number13598-36-2
IUPAC namephosphonic acid
Molecular formulaH3O3P
Molar mass82 g/mol
Exact mass81.982
GradeIndustrial
XLogP3-1.6
H-bond donors / acceptors2 / 3
Topological polar surface area57.5 Ų
InChIKeyABLZXFCXXLZCGV-UHFFFAOYSA-N
SMILESOP(=O)O
PubChem CID407
SynonymsPhosphorus trihydroxide

Lot values are stated on the batch certificate of analysis. Ask for a typical COA with your quotation.

Safety and GHS hazards

GHS05 Corrosive
Corrosive
GHS07 Irritant or harmful
Irritant or harmful

Signal word Danger

  • H302Harmful if swallowed
  • H314Causes severe skin burns and eye damage

Precautionary statements P260, P264, P270, P280, P301 + P317, P301 + P330 + P331, P302 + P361 + P354, P304 + P340, P305 + P354 + P338, P316, P321, P330, P363, P405, P501

Classification summarised from public GHS notifications. It can vary with grade and concentration, so always follow the SDS supplied with your lot.

Pack sizes

Pack sizes of Phosphorous Acid
25 kgQuoted on request
50 kgQuoted on request
200 kg drumQuoted on request
1 MTQuoted on request

Need a different size? Bulk drums and custom packing are quoted on request through the quote form on this page.

Questions about Phosphorous Acid

Which CAS number identifies Phosphorous Acid?
Phosphorous Acid is registered under CAS 13598-36-2. You may also see it listed as Phosphorus trihydroxide. Our catalogue number for this item is ZX-018507.
What are the formula and molar mass of Phosphorous Acid?
For Phosphorous Acid, its formula is H3O3P and its molar mass is 82 g/mol. The systematic (IUPAC) name is phosphonic acid. InChIKey ABLZXFCXXLZCGV-UHFFFAOYSA-N lets you match it in any structure database.
What grade and pack sizes are available for Phosphorous Acid?
This listing is Industrial grade. Standard packs are 25 kg, 50 kg, 200 kg drum, 1 MT. Larger quantities and custom packing can be quoted on request.
Which documents come with Phosphorous Acid?
Each lot ships with a batch certificate of analysis and a 16-section GHS safety data sheet. A typical COA or specification sheet can be shared with the quotation before you order.
Can Zemixal ship Phosphorous Acid to my country?
Yes. Because Phosphorous Acid is classed as hazardous, it travels in UN-approved packaging as dangerous goods under IATA or IMDG rules, with the export paperwork your broker needs.

Other grades with CAS 13598-36-2

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