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32776

Sigma-Aldrich

2,5-二氨基苯磺酸

≥97.0% (T)

同義詞:

1,4-二氨-2-苯磺酸, 1,4-苯二胺-2-磺酸, 1,4-苯二胺-3-磺酸, 2-磺基-1,4-苯二胺, 对苯二胺-2-磺酸

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About This Item

線性公式:
(H2N)2C6H3SO3H
CAS號碼:
88-45-9
分子量：:
188.20
Beilstein:
2970398
EC號碼:
201-832-9
MDL號碼:
MFCD00007904
分類程式碼代碼:
12352100
PubChem物質ID:
57648717
NACRES:
NA.22

品質等級

200

化驗

≥97.0% (T)

mp

298-300 °C (dec.) (lit.)

SMILES 字串

Nc1ccc(N)c(c1)S(O)(=O)=O

InChI

1S/C6H8N2O3S/c7-4-1-2-5(8)6(3-4)12(9,10)11/h1-3H,7-8H2,(H,9,10,11)

InChI 密鑰

HEAHMJLHQCESBZ-UHFFFAOYSA-N

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相關類別

一般說明

2,5-二氨基苯磺酸是染料的前体。报道了通过循环伏安法在IrO2包覆的钛电极上进行2,5-二氨基苯磺酸和苯胺的电化学共聚合。

應用

2,5-二氨基苯磺酸用于制备漆酶介导的棉染色所需的聚合染料。

象形圖

Corrosion
GHS05

訊號詞

Danger

危險聲明

H314

危險分類

Eye Dam. 1 - Skin Corr. 1B

儲存類別代碼

8A - Combustible corrosive hazardous materials

水污染物質分類（WGK）

WGK 2

閃點（°F）

Not applicable

閃點（°C）

Not applicable

個人防護裝備

Eyeshields, Faceshields, Gloves, type P3 (EN 143) respirator cartridges

從最近期的版本中選擇一個：

分析證明 (COA)

Lot/Batch Number
BCCG0692
BCCC8621
BCBZ5695
BCBW7781
BCBT5443

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This article reports on the dyeing of wool using an enzymatic system comprising laccase; dye precursor, 2,5-diaminobenzenesulfonic acid; and dye modifiers, catechol and resorcinol. Enzymatic dyeing was performed as a batchwise process at the temperature and pH of maximum enzyme
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A simple melanin assay using DL.DOPA as the substrate was developed to aid in the identification of Cryptococcus neoformans. The DL-DOPA drop test was simple and efficient. The best results (100% of the C. neoformans isolates were positive) occurred when
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Cotton cellulose was dyed "in situ" with a polymeric dye generated by oxidative coupling of colourless 2,5-diaminobenzenesulfonic acid and 1-hydroxyphenol (catechol) with laccase. Up to 70% dye fixation was obtained increasing the concentration of catechol less soluble upon oxidation from

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