Acid Red 138 (~35% Dye Content)

Basic Information

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CAS Number

15792-43-5

Molecular Formula

C30H37N3Na2O8S2

Molecular Weight

677.7 g/mol

Basic Physical Properties

SMILES

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CCCCCCCCCCCCC1=CC=C(C=C1)N=NC2=C(C3=C(C=C(C=C3C=C2S(=O)(=O)[O-])S(=O)(=O)[O-])NC(=O)C)O.[Na+].[Na+]

InChI

InChI=1S/C30H39N3O8S2.2Na/c1-3-4-5-6-7-8-9-10-11-12-13-22-14-16-24(17-15-22)32-33-29-27(43(39,40)41)19-23-18-25(42(36,37)38)20-26(31-21(2)34)28(23)30(29)35;;/h14-20,35H,3-13H2,1-2H3,(H,31,34)(H,36,37,38)(H,39,40,41);;/q;2*+1/p-2

InChIKey

CZWHGIACASUWJC-UHFFFAOYSA-L

LogP

9.42540

Complexity

1070

Safety Information

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Hazard Statement

H315 Causes skin irritation
Skin corrosion/irritation

H319 Causes serious eye irritation
Serious eye damage/eye irritation

H335 May cause respiratory irritation
Specific target organ toxicity, single exposure; Respiratory tract irritation

Synonyms & References

English

15792-43-5
Acid Red 138 (~35% Dye Content)
Disodium 5-(acetylamino)-3-((4-dodecylphenyl)azo)-4-hydroxynaphthalene-2,7-disulphonate
Acid Red 138
disodium;5-acetamido-3-[(4-dodecylphenyl)diazenyl]-4-hydroxynaphthalene-2,7-disulfonate
EINECS 239-893-9
C.I. Acid Red 138, disodium salt
A921881
2,7-Naphthalenedisulfonic acid, 5-(acetylamino)-3-((4-dodecylphenyl)azo)-4-hydroxy-, disodium salt
SCHEMBL14243597
TracidRedBs
NS00020387
2,7-Naphthalenedisulfonic acid, 5-(acetylamino)-3-(2-(4-dodecylphenyl)diazenyl)-4-hydroxy-, sodium salt (1:2)
MFCD00137515
Acid Red 138, tech.
DTXSID9065944
AKOS025310843
W-110415
C.I. Acid Red 138
AS-13670
Acid Red 138 (18073)
Tracid Red Bs
C.I. Acid Red 138,disodium salt
Suminol Milling Brilliant Red
Disodium 5-(acetylamino)-3-[(4-dodecylphenyl)azo]-4-hydroxynaphthalene-2,7-disulphonate

MDL Number

MFCD00137515

Customs Code

3204120000

FAQ

What is Acid Red 138 (CAS: 15792-43-5)?

Acid Red 138 (CAS: 15792-43-5) is a disazo dye with a molecular weight of approximately 860. It is a deep red dye with a high dye content of about 35%. It is widely used in textile and paper industries for coloring and has limited use in food and pharmaceuticals due to safety concerns.

What are the main uses of Acid Red 138 (CAS: 15792-43-5)?

Acid Red 138 (CAS: 15792-43-5) is primarily used in the textile industry for dyeing cotton, wool, and nylon. It is also used in the paper industry for coloring paper and cardboard. Limited applications are found in the food and pharmaceutical sectors due to regulatory restrictions.

Is Acid Red 138 (CAS: 15792-43-5) safe?

Acid Red 138 (CAS: 15792-43-5) is generally considered safe for use in the textile and paper industries. However, it is not recommended for use in food and pharmaceuticals due to potential health risks. Users should follow safety guidelines and handle with appropriate protective measures to minimize exposure.

How should Acid Red 138 (CAS: 15792-43-5) be stored?

Acid Red 138 (CAS: 15792-43-5) should be stored in a cool, dry place away from direct sunlight and heat sources. It should be kept in a tightly sealed container and protected from moisture. Store in a well-ventilated area to prevent inhalation of dust and fumes. Handling should be done with protective gloves and safety goggles to ensure safety.