phosphoric acid

H3O4P

CAS7664-38-2
Corrosive
Danger

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Identification

CAS Number
7664-38-2
EC Number
231-633-2
UN Number
3453
Index Number
015-011-00-6
PubChem CID
1004

Physical-chemical properties

Molecular Formula
H3O4P
Molar Mass
98.00 g/mol
IUPAC Name
phosphoric acid

Chemical Identifiers

InChI
InChI=1S/H3O4P/c1-5(2,3)4/h(H3,1,2,3,4)
InChI Key
NBIIXXVUZAFLBC-UHFFFAOYSA-N

Overview

phosphoric acid (CAS: 7664-38-2) is a chemical compound widely used in industry. The molecular formula is H3O4P. The molar mass is 98.00 g/mol.

Safety & Classification

Danger
Classification:

Skin Corr. 1B

HHazard Statements (H-Statements)

Describe the nature and severity of the hazard

H314

Causes severe skin burns and eye damage.

Classification according to CLP Regulation (EC) No 1272/2008. The complete list of hazard and precautionary statements can be found in the Safety Data Sheet (SDS).

First Aid Measures

Skin Contact

Harmful

Measures if substance contacts the skin

First Aid Actions

  • +P302IF ON SKIN:
  • +P352Wash with plenty of water.
  • +P361Take off immediately all contaminated clothing.
  • +P313Get medical advice/attention.

Related hazard statements:

Eye Contact

Harmful

Measures if substance gets into the eyes

First Aid Actions

  • +P305IF IN EYES:
  • +P351Rinse cautiously with water for several minutes.
  • +P338Remove contact lenses, if present and easy to do. Continue rinsing.
  • +P313Get medical advice/attention.

Related hazard statements:

General Measures

Emergency 112 | Poison Control: +49 30 19240 (DE), +33 1 45 42 59 59 (FR), +31 30 274 88 88 (NL)

First aid measures are based on CLP classification and associated P-statements. They do not replace the Safety Data Sheet (SDS). In case of emergency, always consult the full SDS and a physician.

Transport (ADR)

UN Number3453
ADR Class8
Packing GroupIII
Tunnel CodeE
Proper Shipping NamePhosphorsäure, fest
Marine PollutantNo

Frequently Asked Questions

What is phosphoric acid?

phosphoric acid (CAS 7664-38-2) is a chemical substance with the formula H3O4P used in various industrial applications.

What are the properties of phosphoric acid?

phosphoric acid has a molar mass of 98.00 g/mol. It is classified as Skin Corr. 1B. See the technical data above for more details.

How to store phosphoric acid safely?

phosphoric acid should be stored according to the Safety Data Sheet instructions. Follow the GHS labeling and keep the substance in a cool, dry and well-ventilated place.

Is phosphoric acid dangerous?

phosphoric acid carries the signal word "Danger". 1 GHS pictograms apply. Always follow the safety instructions in the data sheet.

Where can I buy phosphoric acid?

You can order phosphoric acid (CAS 7664-38-2) from OYSI. We deliver across Europe and offer technical consulting as well as complete compliance documentation.

Services for phosphoric acid

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