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1,4-Dithiothreitol, molecular biology grade

- Synonyms: DTT, Cleland's reagent
- C4H10O2S2
- M = 154,24 g/mol
- CAS [3483-12-3]
- EINECS-No.: 222-468-7
- Solub. in water: (20 ºC): soluble
- Melting point: 40 - 43 ºC
- LD 50 (oral, rat): 400 mg/kg
- GHS-signal word: Warning
- GHS-H sentences: H302 - H315 - H319
- GHS-P sentences: P280 - P305+P351+P338 - P321 - P301+P312 - P332+P313 - P501a
- Tariff number: 2930 90 99 99
- Applications: for microbiology.

SPECIFICATIONS
assay (iodometric): min. 99 %
identity (IR-spectrum): passes test

0,1 M in a 1 cm cell at 260 nm: max. 0,5 AU

0,1 M in a 1 cm cell at 280 nm: max. 0,1 AU
heavy metals (as Pb): max. 0,001 %
iron (Fe): max. 5 ppm
DNases, RNases, Proteases : non detected