162892

Purpald^®

≥99%

• Synonym(s): 4-Amino-3-hydrazino-5-mercapto-1,2,4-triazole, 4-Amino-5-hydrazino-1,2,4-triazole-3-thiol
• Empirical Formula (Hill Notation): C₂H₆N₆S
• CAS Number: 1750-12-5
• Molecular Weight: 146.17
• Beilstein: 134867
• EC Number: 217-135-8
• MDL number: MFCD00003098
• UNSPSC Code: 12352100
• PubChem Substance ID: 24850011
• NACRES: NA.22

Properties

• Quality Level: 200
• Assay: ≥99%
• form: powder
• mp: 228-230 °C (dec.) (lit.)
• solubility: 0.5 M NaOH: soluble 50 mg/mL, clear to slightly hazy (yellow to yellow brown or orange solution)
• functional group: hydrazine
• SMILES string: NNc1nnc(S)n1N
• InChI: 1S/C2H6N6S/c3-5-1-6-7-2(9)8(1)4/h3-4H2,(H,5,6)(H,7,9)
• InChI key: RDIMQHBOTMWMJA-UHFFFAOYSA-N

Description

Application

• Purpald^® was used in purpald assay for determination of bacterial polysaccharides containing substituted or unsubstituted glycol in residues such as glycerol, ribitol, arabinitol, furanosyl galactose and sialic acid.
• It was used as chromogen during the determination of catalase activity in small tissue samples.
• It was used as reagent in determination of formaldehyde.
• It was used for derivatization of neutral monosaccharides during HPLC.

Legal Information

Purpald is a registered trademark of Merck KGaA, Darmstadt, Germany

Safety Information

• Pictograms: GHS02
• Signal Word: Danger
• Hazard Statements: H228
• Precautionary Statements: P210 - P240 - P241 - P280 - P370 + P378
• Hazard Classifications: Flam. Sol. 1
• Storage Class Code: 4.1A - Other explosive hazardous materials
• WGK: WGK 3
• Personal Protective Equipment: dust mask type N95 (US), Eyeshields, Gloves