Merck 108382 0100 Tris Gr For Analysis 100 GR.

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Description
Catalogue Number	108382
Synonyms	Trometamol, Aminomethylidine trimethanol, 2-Amino-2-hydroxymethyl-1.3-propanediol, TRIS-buffer
Description	Tris(hydroxymethyl)aminomethane
Overview	Biological buffer substance\nTris is widely used as a biological buffer substance in the pH range of 7-9. For example it is used for the freezing of proteins. The grade conforms precisely with the Reag. Ph. Eur. requirements.

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Product Information
CAS number	77-86-1
EC number	201-064-4
Grade	ACS,Reag. Ph Eur
Hill Formula	C₄H₁₁NO₃
Chemical formula	H₂NC(CH₂OH)₃
Molar Mass	121.14 g/mol
HS Code	2922 19 99
Structure formula Image
Quality Level	MQ200

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Applications
Application	Tris(hydroxymethyl)aminomethane GR for analysis buffer substance ACS,Reag. Ph Eur. CAS 77-86-1, EC 201-064-4, chemical formula H₂NC(CH₂OH)₃.

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Physicochemical Information
Boiling point	219 - 220 °C (13.3 hPa)
Density	1.32 g/cm3 (20 °C)
Melting Point	169 °C
pH value	10.2 - 10.6 (6 g/l, H₂O, 20 °C)
Vapor pressure	<0.1 hPa (20 °C)
Bulk density	840 kg/m3
Solubility	678 g/l

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Toxicological Information
LD 50 oral	LD50 Rat > 5000 mg/kg
LD 50 dermal	LD50 Rat > 5000 mg/kg

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Safety Information according to GHS
RTECS	TY2900000
Storage class	10 - 13 Other liquids and solids
WGK	WGK 1 slightly 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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Storage and Shipping Information
Storage	NoTempLimit