Phosphoric Acid 30% - The Ultimate Rust Remover Solution

Product Identifier

Phosphoric Acid 30% - The Ultimate Rust Remover Solution

Concentration

30%

CAS Number

7664-38-2

Chemical Formula

H3O4P

Molecular Weight

97.995 g/mol

Manufacturer

Alliance Chemical
204 South Edmond Street, Taylor, TX 76574

Emergency Phone

Chemtel 1-800-255-3924 (24/7)

Recommended Use

Industrial / laboratory chemical. See Section 7.

Signal Word

Danger

Hazard Statements

• H290
• H314

Precautionary Statements

• P234
• P260
• P264
• P280
• P301+P330+P331
• P303+P361+P353
• P304+P340
• P305+P351+P338
• P310
• P321
• P363
• P405
• P501

Full hazard statement text and pictograms are listed in the downloadable SDS PDF. The codes above conform to GHS Rev. 9.

Form

Liquid

Odor

Odorless

pH

pH = 1.5 (0.1 N aqueous solution)

Density

1.892 at 77 °F (USCG, 1999) - Denser than water; will sink g/cm³

Boiling Point

greater than 266 °F at 760 mmHg (USCG, 1999) °C

Melting Point

108 °F (NIOSH, 2024) °C

Flash Point

200 °C

Vapor Pressure

0.03 mmHg (NIOSH, 2024) mmHg

Solubility

Miscible (NIOSH, 2024)

Values shown reflect product-specific canonical data. Lot-specific ranges may vary; see the Certificate of Analysis for the shipped lot.

US DOT (49 CFR)

UN Number

UNUN1805

Proper Shipping Name

Phosphoric acid solution

Hazard Class

8

Packing Group

III

IMDG / IATA classifications may differ. Refer to the downloadable SDS PDF for international transport details. Verify current regulations before international shipment.