
Tris-(hydroxymethyl)-aminomethane, secondary standard for volumetric titrations, Titrasure®
- Synonyms: 2-Amino-2-(hydroxymethyl)-1,3-propanediol, Tromethamine, THAM, TRIS buffer
- C4H11NO3
- M = 121,14 g/mol
- CAS [77-86-1]
- EINECS-No.: 201-064-4
- Solub. in water: (20 ºC): 800 g/l
- Melting point: 172 - 173 ºC
- Boiling point: (13,3 hPa) 219 - 220 ºC
- LD 50 (oral, rat): 5900 mg/kg
- GHS-signal word: Warning
- GHS-H sentences: H315 - H319
- GHS-P sentences: P280 - P264 - P305+P351+P338 - P321 - P332+P313 - P337+P313
- Tariff number: 2922 19 00
- Applications: analytical chemistry, in buffer solutions, in biochemistry, laboratory reagent, in the pharmaceutics industry, emulsifier (cosmetics), for the synthesis of: tensoactives.
SPECIFICATIONS
assay (on dried sample): 99,8 - 100,1 %
absorbance: passes test
insoluble in water: max. 0,005 %
uncertainty : 0,05%
heavy metals (as Pb): max. 0,0005 %
iron (Fe): max. 0,0005 %
water (K.F.): max. 2 %
This standard solution is traceable to Standard Reference Material from NIST.


Volume | REFERENCE | ||
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x 80 g | TR04270080 |