7664-38-2|Phosphoric acidProducts Supply - Chemical intermediates Network

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:C Harmful Xn Toxic TF
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 PO_x.

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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Phosphoric acid cas no:7664-38-2

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