API Process Intermediates & Related Compounds

Phosphoric acid

Name: Phosphoric acid
Brand: Zemixal
SKU: ZX-012777

Reference StandardAvailable on request

Phosphoric acid (CAS 7664-38-2) supplier Zemixal. Lab and bulk packs, batch COA, fast global delivery. Catalogue no. ZX-012777.

Pack sizes

CAS number7664-38-2

FormulaH₃O₄P

Molar mass98 g/mol

Physical formSolid

InChIKeyNBIIXXVUZAFLBC-UHFFFAOYSA-N

IUPAC namephosphoric acid

About Phosphoric acid

Phosphoric acid is part of the Zemixal API Process Intermediates & Related Compounds range. Key data (Reference Standard): CAS 7664-38-2, formula H3O4P and molar mass 98 g/mol. It is handled as a solid.

Typical applications

API route development
Impurity fate & purge studies
Analytical method development

Storage and safety notes

Hazard communication follows GHS (Danger: H314). Our SDS lists exposure controls and first-aid measures.

Standard pack sizes are 10 mg, 25 mg, 50 mg and 100 mg, and custom quantities are quoted on request. Each lot travels with a batch certificate of analysis and a 16-section SDS. Send an enquiry through the quote panel and you get a formal offer with Incoterms and delivery time.

Reference standards for Sitagliptin

See every impurity, metabolite and related compound we list for this API.

Sitagliptin standards

Typical uses

API route development
Impurity fate & purge studies
Analytical method development

Applications

Pharmaceutical Manufacturing and QC Research Labs and Universities

Specifications and identifiers

Specifications of Phosphoric acid
Product name	Phosphoric acid
Catalogue number	ZX-012777
CAS number	7664-38-2
IUPAC name	phosphoric acid
Molecular formula	H₃O₄P
Molar mass	98 g/mol
Exact mass	97.9769
Grade	Reference Standard
Physical form	Solid
XLogP3	-2.1
H-bond donors / acceptors	3 / 4
Topological polar surface area	77.8 Å²
InChIKey	NBIIXXVUZAFLBC-UHFFFAOYSA-N
SMILES	OP(=O)(O)O
PubChem CID	1004
Synonyms	Orthophosphoric acid, Ultradent, Ultraetch, Acidum phosphoricum, Amberphos 54, Etchalite, o-Phosphoric acid, Wc-reiniger, Acide phosphorique, Phosphoricum acidum, Acido fosforico, White phosphoric acid

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

Safety and GHS hazards

Corrosive

Signal word Danger

H314Causes severe skin burns and eye damage

Precautionary statements P260, P264, P280, P301 + P330 + P331, P302 + P361 + P354, P304 + P340, P305 + P354 + P338, P316, P321, 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 Phosphoric acid
10 mg	Quoted on request
25 mg	Quoted on request
50 mg	Quoted on request
100 mg	Quoted on request

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

Questions about Phosphoric acid

Which CAS number identifies Phosphoric acid?

Phosphoric acid is registered under CAS 7664-38-2. You may also see it listed as Orthophosphoric acid, Ultradent, Ultraetch. Our catalogue number for this item is ZX-012777.

What are the formula and molar mass of Phosphoric acid?

For Phosphoric acid, its formula is H3O4P and its molar mass is 98 g/mol. The systematic (IUPAC) name is phosphoric acid. InChIKey NBIIXXVUZAFLBC-UHFFFAOYSA-N lets you match it in any structure database.

How is Phosphoric acid used in pharmaceutical QC?

Phosphoric acid is a characterised reference material linked to Sitagliptin. Laboratories use it to identify and quantify this impurity during method development and validation, stability work, batch release testing and regulatory submissions.

What grade and pack sizes are available for Phosphoric acid?

This listing is Reference Standard grade. Standard packs are 10 mg, 25 mg, 50 mg, 100 mg. Larger quantities and custom packing can be quoted on request.

Which documents come with Phosphoric 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 Phosphoric acid to my country?

Yes. Because Phosphoric 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 7664-38-2

All 13 grades

Orthophosphoric acid solution, extra pure 50%

CAS: 7664-38-2
Formula: H₃O₄P
MW: 98 g/mol

ZX-037242

Orthophosphoric acid, 85 wt.% in H2O, 99.99% trace metals basis

CAS: 7664-38-2
Formula: H₃O₄P
MW: 98 g/mol

ZX-017441

Orthophosphoric acid, 85%

CAS: 7664-38-2
Formula: H₃O₄P
MW: 98 g/mol

ZX-002044

Orthophosphoric acid, for HPLC, 85%+

CAS: 7664-38-2
Formula: H₃O₄P
MW: 98 g/mol

ZX-001745

Orthophosphoric acid, GR 85%+

CAS: 7664-38-2
Formula: H₃O₄P
MW: 98 g/mol

ZX-001818

Orthophosphoric acid, GR 88%

CAS: 7664-38-2
Formula: H₃O₄P
MW: 98 g/mol

ZX-002045

Phosphoric Acid 85%

CAS: 7664-38-2
Formula: H₃O₄P
MW: 98 g/mol

ZX-018506

Phosphoric acid crystalline, ≥99.999% trace metals basis

CAS: 7664-38-2
Formula: H₃O₄P
MW: 98 g/mol

ZX-017443

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