Merck 818858 0100 Tetra-N-Buthylammonium Hydrogen Sulfate 100 GR.

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Description
Catalogue Number	818858

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Product Information
CAS number	32503-27-8
EC number	251-068-5
Hill Formula	C₁₆H₃₇NO₄S
Molar Mass	339.54 g/mol
HS Code	2923 90 00
Structure formula Image
Quality Level	MQ200

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Applications
Application	Tetra-n-butylammonium hydrogen sulfate for synthesis. CAS 32503-27-8, pH 1 - 2 (100 g/l, H₂O, 20 °C).

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Physicochemical Information
Flash point	175.6 °C
Melting Point	165.3 - 167.5 °C
pH value	1.73 (1 g/l, H₂O, 26 °C)
Bulk density	650 kg/m3

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Safety Information according to GHS
Hazard Pictogram(s)	\n\n
Hazard Statement(s)	H302: Harmful if swallowed.\nH314: Causes severe skin burns and eye damage.\nH412: Harmful to aquatic life with long lasting effects.
Precautionary Statement(s)	P260: Do not breathe dust.\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	3\nRelatively unreactive organic reagents should be collected in container A. If halogenated, they should be collected in container B. For solid residues use container C.

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Safety Information
Categories of danger	irritant

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Storage and Shipping Information
Storage	Store below +30°C.

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Transport Information
Declaration (railroad and road) ADR, RID	UN 3261 , 8, III
Declaration (transport by air) IATA-DGR	UN 3261 , 8, III
Declaration (transport by sea) IMDG-Code	UN 3261 , 8, III, Segregation Group: 1 (Acids)

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Specifications
Color according to Munsell color system	not more intensely colored than reference standard NE12
Assay (acidimetric)	≥ 98.0 %
Melting range (lower value)	≥ 167 °C
Melting range (upper value)	≤ 173 °C
Identity (IR)	passes test