91精品无码一区二区_亚洲色欲天天天堂色欲网_久久五月天视频免费_亚洲国产精品久久久久精品

靖江市東方化工有限公司

Jingjiang City East Chemical Co., Ltd.

Honesty, customer first

Production and development of dyes, medicines,
pesticides, and liquid crystal intermediates

Mr. Gu

+86-13952626729

PRODUCTS

East Chemical

3-Amino-1,2,4-Triazole

CAS No: [61-82-5]
Molecular Formula: C2H4N4
Molecular Weight: 84.08
Structural formula:
Packing: Lined with polyethylene inner film bag (black) or cardboard drum, net weight 25kg
Storage and transportation: moisture-proof, stored in a cool and dry place.
Uses: It is a versatile organic synthesis intermediate and a special biochemical reagent for tryptophan content in human protein. Because of its strong chelating properties, photosensitivity and biological activity, it is widely used in the synthesis and preparation of antibiotics, triazole azo dyes, photosensitive materials, systemic fungicides and plant growth regulators. Lubricants, metal corrosion inhibitors, etc.
Quality Index:

Item Standard
Content 95﹪ 98﹪ 99﹪ 99.5﹪ 99.5﹪
Appearance white powder white powder white crystal powder white crystal powder white crystal powder
Mouisture 1% 0.5% 0.5% 0.2% 0.2%
Melting Point 143-146℃ 152-154℃ 154-156℃ 156-157.5℃ 156-157.5℃
Standard     Transmittance
T(%)425nm @ 2.5g/Methanol 25ml using measuring flask90%		 Transmittance
T(%)425nm @ 2.5g/Methanol 25ml using measuring flask90%
Solution color 340nm:85%
430nm:97.5%
520nm:99%		 Transmittance
T(%)425nm @ 2.5g/Methanol 25ml using measuring flask90%
Solution color
340nm:85%
430nm:97.5%
520nm:99%
Na <5000ppb
Mg <1000ppb
AL <12000ppb
K <4000ppb
Ca <7000ppb
Mn <500ppb
Fe <6000ppb
Cu <500ppb
Pb <500ppb
Cd <500ppb
Li <4000ppb
Packing In bag lined with PE film(black) or cardboard drum net weight 25kg

HOME  |   ABOUT US  |   PRODUCTS  |   NEWS  |   FACTORY  |   PURCHASE  |   ORDER  |   CONTACT  |   中文版

Copyright(C)2021, Jingjiang City East Chemical Co., Ltd. All Rights Reserved. Supported by ChinaChemNet ChemNet Toocle Copyright Notice 備案序號：蘇ICP備05036370號