CasNo.16691-43-3,low price 3-Amino-5-mercapto-1,2,4-triazole,(16691-43-3) Suppliers

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Purity: 99%
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Application:pharmaceutical raw materials
PackAge:foil aluminium bag/vacuum packing
ProductionCapacity:100|Kilogram|Week
Storage:Keep in dry and cool condition
Transportation:by air or by sea

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Details:

Product Name:	3-Amino-5-mercapto-1,2,4-triazole
Synonyms:	1,2-dihydro-5-amino-3h-1,2,4-triazole-3-thione;2,4-Triazolidine-3-thione,5-imino-1;4-triazole-3-thione,1,2-dihydro-5-amino-3h-2;4-triazole-3-thione,5-amino-1,2-dihydro-3h-2;4-triazolidine-3-thione,5-imino-2;5-amino-s-triazole-3-thio;5-imino-2-triazolidine-3-thione;ent61388
CAS:	16691-43-3
MF:	C2H4N4S
MW:	116.14
EINECS:	240-735-6
Product Categories:	Organic chemical;3-AMINO-5-MERCAPTO-1,2,4-TRIAZOLE;-;THIOL;Heterocyclic Compounds
Mol File:	16691-43-3.mol

3-Amino-5-mercapto-1,2,4-triazole Chemical Properties

Melting point	>300 °C(lit.)
Boiling point	201.2±23.0 °C(Predicted)
density	1.420 (estimate)
refractive index	1.5605 (estimate)
storage temp.	Store below +30°C.
solubility	water: soluble25mg/mL, clear, faintly yellow to yellow
form	Crystalline Powder
pka	12.57±0.20(Predicted)
color	White to light beige
Water Solubility	SOLUBLE IN HOT WATER
BRN	112404
CAS DataBase Reference	16691-43-3(CAS DataBase Reference)
EPA Substance Registry System	3H-1,2,4-Triazole- 3-thione, 5-amino-1,2-dihydro-(16691-43-3)

Safety Information

Hazard Codes	Xi,Xn,F
Risk Statements	36/37/38-22-11-20/21/22
Safety Statements	26-36-36/37/39-16
WGK Germany	3
RTECS	XZ5357500
F	13
TSCA	Yes
HS Code	29339990

MSDS Information

Provider	Language
3-Amino-1,2,4-triazole-5-thiol	English
ACROS	English
SigmaAldrich	English
ALFA	English

3-Amino-5-mercapto-1,2,4-triazole Usage And Synthesis

Chemical Properties

white to light beige crystalline powder

Purification Methods

Recrystallise the triazole from H2O and dry it in vacuo. The acetyl derivative has m 325o(dec) after recrystallisation from H2O. [Beilstein 26 III/IV 1351.] It has also been recrystallised from EtOH/H2O (3:1, 1g in 50 mL, 50% recovery), m 300-302o (dec subject to heating rate), ( max 263nm, log 4.12). The S-benzyl derivative, when crystallised from *C6H6/EtOH (20:1), or CHCl3/Et2O has m 109-111o [Godfrey & Kruzer J Chem Soc 3437 1960, Beilstein 26 III/IV 1351.]

3-Amino-5-mercapto-1,2,4-triazole Preparation Products And Raw materials

Preparation Products

Tazobactam acid-->Diniconazole-->CAFENSTROLE-->Letrozole-->Nefazodone