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11149 Sigma-Aldrich

L-Asparagine

BioUltra, ≥99.5% (NT)

Synonym: (S)-2-Aminosuccinic acid 4-amide, L-Aspartic acid 4-amide

  • CAS Number 70-47-3

  • Linear Formula H2NCOCH2CH(NH2)CO2H

  • Molecular Weight 132.12

  •  Beilstein/REAXYS Number 1723527

  •  EC Number 200-735-9

  •  MDL number MFCD00064401

  •  eCl@ss 32160406

  •  PubChem Substance ID 24847033

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Properties

InChI Key   DCXYFEDJOCDNAF-REOHCLBHSA-N
product line   BioUltra
assay   ≥99.5% (NT)
optical activity   [α]20/D +35.0±0.5°, c = 5% in 5 M HCl
impurities   insoluble matter, passes filter test
  ≤1% foreign amino acids
ign. residue   ≤0.05% (as SO4)
pH   4.0-5.5 (25 °C, 0.1 M in H2O)
mp   235 °C (dec.) (lit.)
solubility   H2O: 0.1 M at 20 °C, clear, colorless
anion traces   chloride (Cl-): ≤50 mg/kg
  sulfate (SO42-): ≤50 mg/kg
cation traces   Al: ≤5 mg/kg
  As: ≤0.1 mg/kg
  Ba: ≤5 mg/kg
  Bi: ≤5 mg/kg
  Ca: ≤50 mg/kg
  Cd: ≤5 mg/kg
  Co: ≤5 mg/kg
  Cr: ≤5 mg/kg
  Cu: ≤5 mg/kg
  Fe: ≤5 mg/kg
  K: ≤50 mg/kg
  Li: ≤5 mg/kg
  Mg: ≤50 mg/kg
  Mn: ≤5 mg/kg
  Mo: ≤5 mg/kg
  Na: ≤50 mg/kg
  Ni: ≤5 mg/kg
  Pb: ≤5 mg/kg
  Sr: ≤5 mg/kg
  Zn: ≤5 mg/kg
λ   0.1 M in H2O
UV absorption   λ: 260 nm Amax: 0.07
  λ: 280 nm Amax: 0.06

Description

Other Notes

As spacer in isotachophoresis; Growth requirement of various microorganisms.

Safety & Documentation

Safety Information

RIDADR 
NONH for all modes of transport
WGK Germany 
1

Documents

Certificate of Analysis

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Protocols & Articles

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Peer-Reviewed Papers
15

References

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