Orthophosphoric acid, for HPLC, 85%+

Name: Orthophosphoric acid, for HPLC, 85%+
Brand: Vaqora Chemicals
SKU: VQ-001745

About Orthophosphoric acid, for HPLC, 85%+

Orthophosphoric acid (CAS 7664-38-2) is an HPLC grade solvent offered by Vaqora Chemicals in HPLC grade at a purity of 85%. Formula H3O4P, molecular weight 98.0 g/mol. Systematically, it is named phosphoric acid. It is also known as Trihydroxylphosphine oxide or o-Phosphoric acid.

It is supplied as a clear colourless liquid. Key physical data: a melting point of ~40 °C and a density of 1.685 g/mL at 25 °C. Store in a cool, well-ventilated place, away from sources of ignition, with the container tightly sealed. Under GHS it is labelled “Danger”, so handle it with suitable PPE and consult the SDS.

It is commonly used for HPLC mobile phase, LC-MS sample preparation and trace analysis. It is used across academic and industrial research and pharmaceutical manufacturing.

Available in 250 mL, 1 L, 4 x 25 kg and 160 kg packs, Orthophosphoric acid is dispatched with a Certificate of Analysis (COA) to destinations worldwide.

Typical applications

HPLC mobile phase
LC-MS sample preparation
Trace analysis

Industries

Grade guides

Specifications & identifiers

Chemical identifiers
Product name	Orthophosphoric acid, for HPLC, 85%+
Catalogue No.	VQ-001745
CAS Number	7664-38-2
IUPAC name	phosphoric acid
Molecular formula	H₃O₄P
Molecular weight	98 g/mol
Exact mass	97.9769
Grade	HPLC
Purity / assay	85%
HSN code	28092010
InChIKey	NBIIXXVUZAFLBC-UHFFFAOYSA-N
SMILES	OP(=O)(O)O
PubChem CID	1004

Physical properties
Physical form	Liquid
Appearance	Clear colourless liquid
Melting point	~40 °C
Density	1.685 g/mL at 25 °C
LogP (XLogP3)	-2.1
H-bond donors / acceptors	3 / 4
TPSA	77.8 Å²
UN number	UN 1805
Synonyms	Trihydroxylphosphine oxide, o-Phosphoric acid, Wc-reiniger, Acidum phosphoricum, Acide phosphorique, Phosphoricum acidum, Acido fosforico, White phosphoric acid, Amberphos 54, INS NO.338, INS-338, Phosphoric acid (aqueous)

Safety & hazard information (GHS)

Corrosive

Signal word: Danger

Hazard statements

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 is indicative (aggregated GHS notifications) and may vary by grade and concentration. Always refer to the SDS supplied with your lot.

Documents

Safety Data Sheet (SDS)16-section GHS · on request Certificate of AnalysisTypical / batch COA · on request Specification sheetTDS / MOA · on request

Other grades of CAS 7664-38-2

Extra Pure

Orthophosphoric acid solution, extra pure 50%

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

VQ-045763

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

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

VQ-018383

Orthophosphoric acid, 85%

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

VQ-002044

AR

Orthophosphoric acid, GR 85%+

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

VQ-001818

AR

Orthophosphoric acid, GR 88%

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

VQ-002045

Reference Standard

Phosphoric acid

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

VQ-013719

Food Grade

Phosphoric Acid 85%

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

VQ-019448

Phosphoric acid crystalline, ≥99.999% trace metals basis

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

VQ-018385

All 13 products with CAS 7664-38-2 →

Frequently asked questions

What is the CAS number of Orthophosphoric acid, for HPLC, 85%+?

The CAS Registry Number of Orthophosphoric acid, for HPLC, 85%+ is 7664-38-2. It is also known as Trihydroxylphosphine oxide, o-Phosphoric acid, Wc-reiniger.

What is the molecular formula and molecular weight of Orthophosphoric acid, for HPLC, 85%+?

Orthophosphoric acid, for HPLC, 85%+ has the molecular formula H3O4P and a molecular weight of 98 g/mol. Its IUPAC name is phosphoric acid.

Which grade and pack sizes of Orthophosphoric acid, for HPLC, 85%+ can I order?

We supply Orthophosphoric acid, for HPLC, 85%+ in HPLC (85%) grade, in 250 mL, 1 L, 4 x 25 kg, 160 kg packs. Larger bulk quantities and custom packing are quoted on request.

Do you provide a COA and SDS with Orthophosphoric acid, for HPLC, 85%+?

Yes. Every lot of Orthophosphoric acid, for HPLC, 85%+ is shipped with a batch-specific Certificate of Analysis, and a 16-section GHS Safety Data Sheet is provided with the quotation and the shipment.

Can Orthophosphoric acid, for HPLC, 85%+ be shipped internationally?

Yes. Orthophosphoric acid, for HPLC, 85%+ is classified as hazardous (UN 1805), so it is packed in UN-approved packaging and shipped as dangerous goods under IATA/IMDG rules. We export worldwide on EXW, FOB, CIF and DAP terms.