4,5-Dihydroxy-3-(4-sulfophenylazo)-2,7-naphthalenedisulfonic acid trisodium salt | CAS 23647-14-5

Element: naphthalenedisulfonic sulfophenylazo dihydroxy trisodium acid salt

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Identification Properties Suppliers Prices & Availability Get Quick Quote

C-S » Chemicals » dihydroxy-sulfophenylazo-naphthalenedisulfonic-acid-trisodium-salt-PX2267803

Identification

4,5-Dihydroxy-3-(4-sulfophenylazo)-2,7-naphthalenedisulfonic acid trisodium salt

CAS:

23647-14-5

EINECS:

245-803-9

Molecular Formula:

C₁₆H₉N₂Na₃O₁₁S₃

MDL:

MFCD00003952

Synonym:

spadns extrapure ar ; spadns, reagent, acs ; spadns ; sulfanilic acid-azochromotrop ; spadnsgr ; spadns solution ; 2,7-naphthalenedisulfonic ; sulfanilic acid azochromotrope ; 2-(p-sulfophenylazo)chromotrop ; sulfanilic acid azochromtrop

Suppliers

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CAS equal suppliers

Spadns

Leap Chem Co., Ltd

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Finipharma Ltd

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Alfa (A Johnson Matthey Company)

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Carbone Scientific Co., Ltd.

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Gihi Chemicals Co., Limited

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Krada CPS Industry S.L

KCIS132660

Sulfanilic acid azochromotrop

Santa Cruz Biotechnology, Inc.

215925

Sulfanilic acid azochromotrop

Loba biotech GmbH (formaly LOBA Feinchemie GmbH)

855890

Sulfanilic acid azochromotrop

Dayang Chem (Hangzhou) Co.,Ltd.

DC269710788

Trisodium 2-(4-Sulfophenylazo)-1,8-dihydroxynaphthalene-3,6-disulfonate Hydrate

TCI Chemicals (India) Pvt. Ltd.

D0604

2-(4-Sulfophenylazo)1,8-dihydroxy-3,6-naphthalenedisulfonic acid trisodium salt (SPADNS)

Molekula

20091190

2-(4-Sulfophenylazo)1,8-dihydroxy-3,6-naphthalenedisulfonic Acid, Trisodium Salt, Indicator Grade

Acros Organics BVBA

AOB1658766348

Prices & Availability

Data is processed

Properties for 4,5-Dihydroxy-3-(4-sulfophenylazo)-2,7-naphthalenedisulfonic acid trisodium salt

Molecular Weight:

570.41 g·mol−1

Melting point:

>300 °C

Physical Description:

dark red-brown crystalline powder

Hazard Statements

GHS03
Harmful

Acute toxicity (oral, dermal, inhalation), category 4
Skin irritation, categories 2, 3
Eye irritation, category 2A
Skin sensitization, category 1
Specific target organ toxicity following single exposure, category 3
- Respiratory tract irritation
- Narcotic effects

Not used

with the "skull and crossbones" pictogram
for skin or eye irritation if:
the "corrosion" pictogram also appears
the "health hazard" pictogram is used to indicate respiratory sensitization

Safety & Transport Information

Risk Codes:

R36/37/38 - Irritating to eyes, respiratory system and skin

Safety Codes:

S26 - In case of contact with eyes, rinse immediately with plenty of water and seek medical advice
S36 - Wear suitable protective clothing

Hazard Symbols:

Alternative Distributors of [4,5-Dihydroxy-3-(4-sulfophenylazo)-2,7-naphthalenedisulfonic acid trisodium salt]

Producers or manufacturers change the product range from time to time. The following companies
have appeared as suppliers in the past / currently not verified

TCI Europe NV

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