Disodium 2,7-naphthalenedisulfonate

Basic Information

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CAS Number

1655-35-2

Molecular Formula

C10H6Na2O6S2

Molecular Weight

332.26 g/mol

Chemical Classification

Basic Chemical Raw Materials Organic Chemicals Carboxylic Acids

Fine Chemicals Dyes and Pigments Organic Dyes

Basic Physical Properties

Melting Point

>300°C

Density

1.7040

SMILES

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O=S(C1=CC=C2C=CC(S(=O)([O-])=O)=CC2=C1)([O-])=O.[Na+].[Na+]

InChI

InChI=1S/C10H8O6S2.2Na/c11-17(12,13)9-3-1-7-2-4-10(18(14,15)16)6-8(7)5-9;;/h1-6H,(H,11,12,13)(H,14,15,16);;/q;2*+1/p-2

InChIKey

XOIWXJSPLXGSLZ-UHFFFAOYSA-L

LogP

2.80960

Complexity

425

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

Sodium naphthalene-2,7-disulfonate
Sodium 2,7-naphthalene Disulfonate
2,7-Naphthalenedisulfonic acid disodium salt
Disodium 2,7-Naphthalenedisulfonate
2,7-Naphthylene disulfonic acid Na salt
2.7-Naphthalenedisulfonicaciddisodiumsalt
Ebert-Merz α-Acid Disodium Salt
2,7-Naphthalenedisulfonicacid, disodium salt (8CI,9CI)
2,7-Disulfonaphthalene disodium salt
Sodium 3,6-naphthalenedisulfonate
2,7-Naphthylene disu
EBERT-MERZ ALPHA-ACID
2,7-NAPHTHALENEDISULFONATE
2,7-Naphthalene Disulphonate
sodium2,7-naphthalene-disulfonate
2,7-DISULFONAPHTHALENE SODIUM SALT
Disodium2,7-naphthalenedisulfonate
Sodium2,7-naphthalenedisulfonate
2,7-Naphthalenedisulfonic acid, disodium salt
Disodium naphthalene-2,7-disulphonate
disodium naphthalene-2,7-disulfonate
2,7-Naphthalenedisulfonic acid, sodium salt (1:2)
Ebert-Merz alpha-Acid Disodium Salt
AK114041
2,7-Naphthalene disulfonic acid disodium salt
2,7-Naphthalenedisulfonic Acid Disodium Salt
Ebert-Merz α-acid disodium salt
SODIUM NAPHTHALENE-2,7-DISULFONATE

MDL Number

MFCD00066365

Customs Code

2904100000

FAQ

What is Disodium 2,7-naphthalenedisulfonate (CAS: 1655-35-2)?

Disodium 2,7-naphthalenedisulfonate is a water-soluble organic compound with the chemical formula Na2[C9H3NO4S2]. It has a deep yellow color and is commonly used as a dye and indicator in various applications.

What are the main uses of Disodium 2,7-naphthalenedisulfonate (CAS: 1655-35-2)?

Disodium 2,7-naphthalenedisulfonate is primarily used as a pH indicator in biochemical and pharmaceutical research. It is also utilized in textile dyeing, papermaking, and as a component in analytical chemistry reagents.

Is Disodium 2,7-naphthalenedisulfonate (CAS: 1655-35-2) safe?

Disodium 2,7-naphthalenedisulfonate is generally considered safe for laboratory use. However, it is important to handle it with gloves and goggles to protect against eye and skin contact. It should be stored away from direct sunlight and heat sources to prevent degradation.

How should Disodium 2,7-naphthalenedisulfonate (CAS: 1655-35-2) be stored?

Disodium 2,7-naphthalenedisulfonate should be stored in a cool, dry place away from direct sunlight and heat sources. It should be kept in a tightly sealed container to prevent moisture absorption. Avoid contact with incompatible materials such as strong acids.