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Phosphoric acid cas no:7664-38-2

Synonyms: Orthophosphoric acid; PA

Identification
NamePhosphoric acid
CAS7664-38-2
SynonymsOrthophosphoric acid; PA
EINECS(EC#)231-633-2
Molecular FormulaH3PO4
Molecular Weight97.99
Chemical Properties
AppearanceClear liquid
refractive indexn20/D 1.433
storage tempStore in a tightly closed container. Store in a cool, dry, well-ventilated area away from incompatible substances. Keep away from metals. Corrosives area. Do not store in metal containers.
Globally Harmonized System of Classification adn Labelling of Chemicals(GHS)
Hazardclass8
Safety Data

Hazard C:Corrosive
Risk R34
Safety Safety Information
Hazard Codes:CorrosiveCHarmfulXnToxicTFlammableF
Risk Statements: 34-35-22-39/23/24/25-36/38-11
R11: Highly flammable.
R22: Harmful if swallowed.
R34: Causes burns.
R35: Causes severe burns.
R36/38: Irritating to eyes and skin.
R39/23/24/25: Toxic: danger of very serious irreversible effects through inhalation, in contact with skin and if swallowed
Safety Statements: 7-16-26-45-36/37/39-1/2-24/25
S7: Keep container tightly closed.
S16: Keep away from sources of ignition.
S26: In case of contact with eyes, rinse immediately with plenty of water and seek medical advice.
S1/2: Keep locked up and out of the reach of children.
S24/25: Avoid contact with skin and eyes.
S36/37/39: Wear suitable protective clothing, gloves and eye/face protection.
RIDADR: UN 3453 8/PG 3
WGK Germany: 3
RTECS: TB6300000
F: 3-10
HazardClass: 8
PackingGroup: III
Human poison by ingestion. Moderately toxic by skin contact. A corrosive irritant to eyes, skin, and mucous membranes, and a systemic irritant by inhalation. A common air contaminant. A strong acid. Mixtures with nitromethane are explosive. Reacts with chlorides + stainless steel to form explosive hydrogen gas. Potentially violent reaction with sodium tetrahydroborate. Dangerous; when heated to decomposition it emits toxic fumes of POx.

Toxicity

Organism Test Type Route Reported Dose (Normalized Dose) Effect Source
man LDLo unreported 220mg/kg (220mg/kg) "Poisoning; Toxicology, Symptoms, Treatments," 2nd ed., Arena, J.M., Springfield, IL, C.C. Thomas, 1970Vol. 2, Pg. 73, 1970.
rabbit LD50 skin 2740mg/kg (2740mg/kg) BEHAVIORAL: SOMNOLENCE (GENERAL DEPRESSED ACTIVITY)

BEHAVIORAL: EXCITEMENT
BIOFAX Industrial Bio-Test Laboratories, Inc., Data Sheets. Vol. 17-4/1970,
rat LC50 inhalation > 850mg/m3/1H (850mg/m3) BIOFAX Industrial Bio-Test Laboratories, Inc., Data Sheets. Vol. 17-4/1970,
rat LD50 oral 1530mg/kg (1530mg/kg) BEHAVIORAL: SOMNOLENCE (GENERAL DEPRESSED ACTIVITY)

KIDNEY, URETER, AND BLADDER: HEMATURIA

SKIN AND APPENDAGES (SKIN): HAIR: OTHER
BIOFAX Industrial Bio-Test Laboratories, Inc., Data Sheets. Vol. 17-4/1970,

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