162892

Purpald^®

≥99%

• Synonym(e): 4-Amino-3-hydrazino-5-mercapto-1,2,4-triazol, 4-Amino-5-hydrazino-1,2,4-triazol-3-thiol
• Empirische Formel (Hill-System): C₂H₆N₆S
• CAS-Nummer: 1750-12-5
• Molekulargewicht: 146.17
• Beilstein: 134867
• EG-Nummer: 217-135-8
• MDL-Nummer: MFCD00003098
• UNSPSC-Code: 12352100
• PubChem Substanz-ID: 24850011
• NACRES: NA.22

Eigenschaften

• Qualitätsniveau: 200
• Assay: ≥99%
• Form: powder
• mp (Schmelzpunkt): 228-230 °C (dec.) (lit.)
• Löslichkeit: 0.5 M NaOH: soluble 50 mg/mL, clear to slightly hazy (yellow to yellow brown or orange solution)
• Funktionelle Gruppe: 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)
• InChIKey: RDIMQHBOTMWMJA-UHFFFAOYSA-N

Beschreibung

Anwendung

• 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.

Rechtliche Hinweise

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

Sicherheitshinweise

• Piktogramme: GHS02
• Signalwort: Danger
• H-Sätze: H228
• P-Sätze: P210 - P240 - P241 - P280 - P370 + P378
• Gefahreneinstufungen: Flam. Sol. 1
• Lagerklassenschlüssel: 4.1A - Other explosive hazardous materials
• WGK: WGK 3
• Persönliche Schutzausrüstung: dust mask type N95 (US), Eyeshields, Gloves