162892

Purpald^®

≥99%

• Sinonimo/i: 4-Amino-3-hydrazino-5-mercapto-1,2,4-triazole, 4-Amino-5-hydrazino-1,2,4-triazole-3-thiol
• Formula empirica (notazione di Hill): C₂H₆N₆S
• Numero CAS: 1750-12-5
• Peso molecolare: 146.17
• Beilstein: 134867
• Numero CE: 217-135-8
• Numero MDL: MFCD00003098
• Codice UNSPSC: 12352100
• ID PubChem: 24850011
• NACRES: NA.22

Proprietà

• Livello qualitativo: 200
• Saggio: ≥99%
• Forma fisica: powder
• Punto di fusione: 228-230 °C (dec.) (lit.)
• Solubilità: 0.5 M NaOH: soluble 50 mg/mL, clear to slightly hazy (yellow to yellow brown or orange solution)
• Stringa SMILE: NNc1nnc(S)n1N
• InChI: 1S/C2H6N6S/c3-5-1-6-7-2(9)8(1)4/h3-4H2,(H,5,6)(H,7,9); RDIMQHBOTMWMJA-UHFFFAOYSA-N

Descrizione

Applicazioni

• 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.

Note legali

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

Informazioni sulla sicurezza

• Pittogrammi: GHS02
• Avvertenze: Danger
• Indicazioni di pericolo: H228
• Consigli di prudenza: P210 - P240 - P241 - P280 - P370 + P378
• Classi di pericolo: Flam. Sol. 1
• Codice della classe di stoccaggio: 4.1A - Other explosive hazardous materials
• Classe di pericolosità dell'acqua (WGK): WGK 3
• Dispositivi di protezione individuale: dust mask type N95 (US), Eyeshields, Gloves