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C.I. Acid Red 138

C.I. Acid Red 138 structure

CAS No:
15792-43-5
Formula:
C30H39N3O8S2.2Na
Chemical Name:
C.I. Acid Red 138
Synonyms:
2,7-Naphthalenedisulfonic acid,5-(acetylamino)-3-[2-(4-dodecylphenyl)diazenyl]-4-hydroxy-,sodium salt (1:2);C.I. Acid Red 138,disodium salt;2,7-Naphthalenedisulfonic acid,5-(acetylamino)-3-[(4-dodecylphenyl)azo]-4-hydroxy-,disodium salt;1-Naphthol-3,6-disulfonic acid,8-acetamido-2-(p-dodecylphenylazo)-,disodium salt;C.I. 18073;Kayanol Milling Red BW;Nylomine Acid Red C 2B;Nylomine Acid Red P 2B;Suminol Milling Brilliant Red BS;Carbolan Crimson B;C.I. Acid Red 138;Acid Red B;Covalene Red 4B;Apollo Nylon Fast Brilliant Red M-BW;Napthazine Red 4B;Acid Pink B;Triacid Fast Milling Red B;Covanyl Red 4B;Milling Red 6B;Best Acid Milling Red BW;Dycosweak Acid Pink B;Acid Pink Red B;Weak Acid Pink B;12220-23-4;12227-66-6;1254941-62-2
Categories:
Dyes and Pigments > Dye

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C.I. Acid Red 138 Basic Attributes

Molecular Weight：

677.73962

Exact Mass：

677.18200

EC Number：

239-893-9

DSSTox ID：

DTXSID9065944

HScode：

3204120000

Characteristics

PSA：

205.21000

XLogP3：

9.42540

Safety Information

GHS Classification：

|Warning|H400 (99.78%): Very toxic to aquatic life [Warning Hazardous to the aquatic environment, acute hazard]|P273, P391, and P501|Aggregated GHS information provided by 460 companies from 5 notifications to the ECHA C&L Inventory. Each notification may be associated with multiple companies.

C.I. Acid Red 138 Use and Manufacturing

Methods of Manufacturing

Using p-dodecylaniline and N-acetyl H acid as raw materials, diazotizing p-dodecylaniline and coupling with N-acetyl H acid to obtain the product .

Uses

Used for dyeing wool and silk

Manufacturing Info：

2,7-Naphthalenedisulfonic acid, 5-(acetylamino)-3-[2-(4-dodecylphenyl)diazenyl]-4-hydroxy-, sodium salt (1:2): ACTIVE

Computed Properties

Molecular Weight:677.7
Hydrogen Bond Donor Count:2
Hydrogen Bond Acceptor Count:10
Rotatable Bond Count:14
Exact Mass:677.18174606
Monoisotopic Mass:677.18174606
Topological Polar Surface Area:205
Heavy Atom Count:45
Complexity:1070
Covalently-Bonded Unit Count:3
Compound Is Canonicalized:Yes