Merck 100582 0100 Tungstophosphoric Acid Hydrate Cryst. Extra Pure 100 GR.

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Description
Catalogue Number	100582
Synonyms	Phosphotungstic acid
Description	Tungstophosphoric acid hydrate

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Product Information
CAS number	12501-23-4
EC number	215-682-7
Hill Formula	H₃O₄₀PW₁₂ * x H₂O
Chemical formula	H₃[P(W₃O₁₀)₄] * x H₂O
Molar Mass	2880.05 g/mol (anhydrous)
HS Code	2811 19 80
Quality Level	MQ200

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Physicochemical Information
Melting Point	95 °C
pH value	2 (H₂O, 20 °C)
Vapor pressure	25.62 hPa (25 °C)
Bulk density	960 kg/m3

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Toxicological Information
LD 50 oral	LD50 Rat 3300 mg/kg

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Safety Information according to GHS
Hazard Pictogram(s)	\n\n\n
Hazard Statement(s)	H302: Harmful if swallowed.\nH314: Causes severe skin burns and eye damage.\nH411: Toxic to aquatic life with long lasting effects.
Precautionary Statement(s)	P260: Do not breathe dust or mist.\nP273: Avoid release to the environment.\nP280: Wear protective gloves/ protective clothing/ eye protection/ face protection/ hearing protection.\nP301 + P312: IF SWALLOWED: Call a POISON CENTER/doctor if you feel unwell.\nP303 + P361 + P353: IF ON SKIN (or hair): Take off immediately all contaminated clothing. Rinse skin with water.\nP305 + P351 + P338: IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continue rinsing.
Signal Word	Danger
Storage class	8A Combustible, corrosive hazardous materials
WGK	WGK 2 obviously hazardous to water
Disposal	14\nInorganic salts: Container I. Neutral solutions of the these salts: Container D. Before placing in Container D, check the pH with pH-Universal indicator strips (Item No. 109535).

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Safety Information
Categories of danger	corrosive

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Storage and Shipping Information
Storage	Store at +15°C to +25°C.

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Transport Information
Declaration (railroad and road) ADR, RID	UN 3260 , 8, III
Declaration (transport by air) IATA-DGR	UN 3260 , 8, III
Declaration (transport by sea) IMDG-Code	UN 3260 , 8, III, Segregation Group: 1 (Acids)

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Specifications
Chloride (Cl)	≤ 0.01 %
Sulfate (SO₄)	≤ 0.01 %
Cu (Copper)	≤ 0.001 %
Fe (Iron)	≤ 0.002 %
Pb (Lead)	≤ 0.005 %
Loss on ignition (750 °C)	≤ 17 %