POTASSIUM DICHROMATE VOLUMETRIC STANDARD (1.02403.0080) (80 G)

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POTASSIUM DICHROMATE VOLUMETRIC STANDARD (1.02403.0080) (80 G)

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Description

Catalogue Number

102408

Synonyms

Trometamol, Aminomethylidine trimethanol, 2-Amino-2-hydroxymethyl-1.3-propanediol, TRIS-buffer

Description

Tris(hydroxymethyl)aminomethane

Product Information

CAS number

77-86-1

EC number

201-064-4

Grade

Reag. Ph Eur,Reag. USP

Hill Formula

C₄H₁₁NO₃

Chemical formula

H₂NC(CH₂OH)₃

Molar Mass

121.14 g/mol

HS Code

2922 19 00

Quality Level

MQ300

Applications

Application

Tris(hydroxymethyl)aminomethane volumetric standard, secondary reference material for acidimetry, traceable to NIST Standard Reference Material (SRM) Certipur® Reag. USP, Reag. Ph Eur. CAS 77-86-1, EC 201-064-4, chemical formula H₂NC(CH₂OH)₃.

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

Toxicological Information

LD 50 oral

LD50 Rat > 5000 mg/kg

LD 50 dermal

LD50 Rat > 5000 mg/kg

Safety Information according to GHS

RTECS

TY2900000

Storage class

10 - 13 Other liquids and solids

WGK

WGK 1 slightly hazardous to water

Disposal

3

Relatively unreactive organic reagents should be collected in container A. If halogenated, they should be collected in container B. For solid residues use container C.

Storage and Shipping Information

Storage

Store at +15°C to +25°C.


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