Functional Roles
Industries Served
Physical Properties
melting_point
108 u00b0F (NIOSH, 2024)
boiling_point
greater than 266 u00b0F at 760 mmHg (USCG, 1999)
density
1.892 at 77 u00b0F (USCG, 1999) - Denser than water; will sink
solubility
Miscible (NIOSH, 2024)
vapor_pressure
0.03 mmHg (NIOSH, 2024)
ph
pH = 1.5 (0.1 N aqueous solution)
GHS / SDS Safety
Danger
Irritant
Acute Toxic
Health Hazard
Corrosive
- H331: Toxic if inhaled [Danger Acute toxicity, inhalation]
- H335: May cause respiratory irritation [Warning Specific target organ toxicity, single exposure; Respiratory tract irritation]
- H302 (15.1%): Harmful if swallowed [Warning Acute toxicity, oral]
- H313: May be harmful in contact with skin [Warning Acute toxicity, dermal]
- H370: Causes damage to organs [Danger Specific target organ toxicity, single exposure]
- H402: Harmful to aquatic life [Hazardous to the aquatic environment, acute hazard]
- H332: Harmful if inhaled [Warning Acute toxicity, inhalation]
- H314 (99.9%): Causes severe skin burns and eye damage [Danger Skin corrosion/irritation]
- H302: Harmful if swallowed [Warning Acute toxicity, oral]
- H318: Causes serious eye damage [Danger Serious eye damage/eye irritation]
- H318 (18.2%): Causes serious eye damage [Danger Serious eye damage/eye irritation]
- H290 (18%): May be corrosive to metals [Warning Corrosive to Metals]
- H314: Causes severe skin burns and eye damage [Danger Skin corrosion/irritation]
Chemical Identity
| CAS Number | 7664-38-2 |
| IUPAC Name | phosphoric acid |
| InChI Key | NBIIXXVUZAFLBC-UHFFFAOYSA-N |
| PubChem CID | 1004 |
| INCI Name | PHOSPHORIC ACID |
Synonyms & Trade Names
Full Description
Scale control/pH chemistry (system dependent)