5-(Dimethylamino)-1-naphthalenesulfonic acid

Basic Information

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CAS Number

4272-77-9

Molecular Formula

C12H13NO3S

Molecular Weight

251.31 g/mol

Chemical Classification

Basic Chemical Raw Materials Organic Chemicals Carboxylic Acids

Fine Chemicals Dyes and Pigments Organic Dyes

Fine Chemicals Surfactants Anionic Surfactants

Basic Physical Properties

Melting Point

316°C

Density

1.363

SMILES

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CN(C)C1=CC=CC2=C1C=CC=C2S(=O)(=O)O

InChI

InChI=1S/C12H13NO3S/c1-13(2)11-7-3-6-10-9(11)5-4-8-12(10)17(14,15)16/h3-8H,1-2H3,(H,14,15,16)

InChIKey

BBEQQKBWUHCIOU-UHFFFAOYSA-N

LogP

2.1525

Topological Polar Surface Area

57.61000000000001 Å²

Hydrogen Bond Donor/Acceptor

1 / 4

Complexity

360

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

Synonyms & References

English

5-Dimethylamino-1-naphthalenesulfonic acid
4272-77-9
AKOS005267186
SR-01000310386-1
N,N-Dimethyl-1-naphthylamine-5-sulfonic acid
Q7GT975TCW
EINECS 224-268-5
1-Naphthalenesulfonic acid, 5-(dimethylamino)-
BBEQQKBWUHCIOU-UHFFFAOYSA-
Q27096596
InChI=1/C12H13NO3S/c1-13(2)11-7-3-6-10-9(11)5-4-8-12(10)17(14,15)16/h3-8H,1-2H3,(H,14,15,16)
SCHEMBL133520
DB07376
BBEQQKBWUHCIOU-UHFFFAOYSA-N
N10048
SR-01000310386
5-Dimethylaminonaphthalene-1-sulfonic Acid
5-(dimethylamino)-1-naphthalenesulfonic acid(dansyl acid)
DansylAcid
DTXSID8063383
NS00031228
Dansyl acid
AS-66186
5-(dimethylamino)naphthalene-1-sulfonic acid
MFCD00003995
D1426
5-(Dimethylamino)naphthalene-1-sulphonic acid
5-(DIMETHYLAMINO)-1-NAPHTHALENESULFONIC ACID
PD005845
CS-0313530
FT-0624415

MDL Number

MFCD00149264

Customs Code

2921199090

FAQ

What are the physical and chemical properties of 5-(Dimethylamino)-1-naphthalenesulfonic acid (CAS: 4272-77-9)?

5-(Dimethylamino)-1-naphthalenesulfonic acid is a crystalline solid with a molecular weight of approximately 248.27 g/mol. It has a solubility of about 10 g/L in water. Chemically, it is reactive towards bases and may undergo hydrolysis. It is used in various applications requiring acidic compounds with specific functional groups.

How is 5-(Dimethylamino)-1-naphthalenesulfonic acid (CAS: 4272-77-9) typically synthesized?

5-(Dimethylamino)-1-naphthalenesulfonic acid can be synthesized by reacting 1-naphthol with dimethylamine followed by sulfonation. Commonly, sulfuric acid is used as the sulfonating agent, and the reaction is carried out under acidic conditions. The yield is typically around 90%, and the product is purified by recrystallization.

What industries use 5-(Dimethylamino)-1-naphthalenesulfonic acid (CAS: 4272-77-9)?

5-(Dimethylamino)-1-naphthalenesulfonic acid is used in the pharmaceutical industry for the synthesis of certain compounds, in polymer manufacturing as a stabilizer, and in the semiconductor industry as a dopant. It is also used in analytical chemistry as a pH indicator.

What precautions should be taken when handling 5-(Dimethylamino)-1-naphthalenesulfonic acid (CAS: 4272-77-9)?

When handling 5-(Dimethylamino)-1-naphthalenesulfonic acid, it is important to wear appropriate personal protective equipment (PPE), including gloves and goggles. Ensure the substance is used in a well-ventilated area or a fume hood. Spills should be cleaned up using an appropriate absorbent material, and the area should be thoroughly washed down. Always consult the Safety Data Sheet (SDS) for detailed handling and emergency procedures.