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PHOSPHORIC ACID LR GRADE
|Synonyms||Orthophosphoric acid, o-Phosphoric acid|
|HS Code||2809 20 00|
|Molar mass||97.99 g/mol|
|EC index number||015-011-00-6|
|Chemical and physical data|
|Solubility||750 - 850 g/l (20 °C)|
|Melting point||42 °C|
|Molar mass||97.99 g/mol|
|Density||1.87 g/cm3 (25 °C)|
|pH value||1 (1 g/l, H2O, 20 °C)|
|Boiling point||213 °C (1013 hPa)|
|Vapor pressure||2 hPa (20 °C)|
|Safety information according to GHS|
|Hazard Statement(s)||H290: May be corrosive to metals.
H314: Causes severe skin burns and eye damage.
|Precautionary Statement(s)||P280: Wear protective gloves/ protective clothing/ eye protection/ face protection.
P301 + P330 + P331: IF SWALLOWED: rinse mouth. Do NOT induce vomiting.
P305 + P351 + P338: IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continue rinsing.
P309 + P310: IF exposed or if you feel unwell: Immediately call a POISON CENTER or doctor/physician.
|Storage class||8 B Non-combustible corrosive substances|
|WGK||WGK 1 slightly water endangering|
Inorganic acids and anhydrides thereof should first be diluted or hydrolyzed by stirring carefully into ice water and then neutralized (protective gloves, fume cupboard!) with sodium hydroxide solution (Cat. No. 105587). Before filling into container D, check the pH with pH universal indicator strips (Cat. No. 109535). Fuming sulfuric acid should be carefully stirred dropwise into 40 % sulfuric acid (Cat. No. 109286). Ensure that plenty of ice is available for cooling! When sufficiently cool, treat the highly concentrated sulfuric acid as described above. Analogous to this procedure, other anhydrides can be converted into their corresponding acids. Acid gases (e.g. hydrogen halide, chlorine, phosgene, sulfur dioxide) can be introduced into dilute sodium hydroxide solution and after neutralization disposed of in container D.
|R Phrase||R 34
|S Phrase||S 26-45
In case of contact with eyes, rinse immediately with plenty of water and seek medical advice.In case of accident or if you feel unwell, seek medical advice immediately (show the label where possible).
|Categories of danger||corrosive|
|Declaration (railroad and road) ADR, RID||UN 3453 Phosphorsäure, fest, 8, III|
|Declaration (transport by sea) IMDG-Code||UN 3453 PHOSPHORIC ACID, SOLID, 8, III, Segregation Group: 1 (Acids)|
|Declaration (transport by air) IATA-DGR||UN 3453 PHOSPHORIC ACID, SOLID, 8, III|
|LD 50 oral||LD50 rat 1530 mg/kg|
|LD 50 dermal||LD50 rabbit 2740 mg/kg|