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Naphthalene-1,5-Disulfonic Acid

CAS NO.： 81-04-9

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Product Detail

Properties

Armstrong's Acid

CAS：81-04-9

Molecular formula：C10H8O6S2

Molecular weight：288.3

Structure：

Physicochemical properties: white flake crystal (with tetramolecular crystal water). Melting point 240-245 ℃ (anhydrous substance). Soluble in water and ethanol, insoluble in ether.

Product use: used as an intermediate of dyes. It is used to manufacture intermediates such as 1,5-dihydroxynaphthalene and amino c acid.

Properties

Used as an intermediate of dyes. It is used to manufacture intermediates such as 1,5-dihydroxynaphthalene and amino c acid.

CAS No.

81-04-9

Formula

C10H8O6S2

Molecular Mass

288.29700

Exact Mass

287.97600

PSA

125.50000

Logp

3.49480

IUPAC

naphthalene-1,5-disulfonic acid

Matter Classification

organic

Category

Melting Point

242.5°C

Density

1.704 g/cm3

Boiling Point

400.53°C

Appearance

Pale yellow crystal

HS Code

29041000

UN No.

2585

DG-Class

Risk Code

R34

Safety Label

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Jiujiang Ronghua Technology Co.,Ltd.

7YRS

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Manufacturing

Country/Region：

Jiangxi, China

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Armstrong's Acid