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1655-35-2

Basic Information
CAS No.: 1655-35-2
Name: 2,7-Naphthalenedisulfonic acid disodium salt
Molecular Structure:
Molecular Structure of 1655-35-2 (2,7-Naphthalenedisulfonic acid disodium salt)
Formula: C10H6Na2O6S2
Molecular Weight: 332.266
Synonyms: 2,7-Naphthalenedisulfonicacid, disodium salt (8CI,9CI);2,7-Disulfonaphthalene disodium salt;Disodium2,7-naphthalenedisulfonate;Sodium 3,6-naphthalenedisulfonate;
EINECS: 216-733-6
Density: 1.704 g/cm3
Appearance: white powder crystalline
Hazard Symbols: IrritantXi
Risk Codes: 36/37/38
Safety: 26-37/39
PSA: 131.16000
LogP: 2.80960
Downstream Products
71977-56-5
19551-16-7
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Chemistry

IUPAC  Name: Sodium naphthalene-2,7-disulfonic acid      
Empirical Formula: C10H6O6S2·2Na
Molecular Weight: 334.228
Einecs: 216-733-6
Freely Rotating Bonds: 2
Polar Surface Area: 103.5 Å2
Index of Refraction: 1.695
Molar Refractivity: 65 cm3
Molar Volume: 169.1 cm3
Polarizability: 25.77 ×10-24 cm3
Surface Tension: 76.4 dyne/cm
Density: 1.704 g/cm3
 
The Cas Register Number of  2,7-Naphthalenedisulfonicacid, sodium salt (1:2) is 1655-35-2.The chemical synonyms of  2,7-Naphthalenedisulfonicacid, sodium salt (1:2) (CAS NO.1655-35-2) are 2,7-Naphthalenedisulfonic acid, disodium salt
and  Disodium naphthalene-2,7-disulphonate .The molecular structure of  2,7-Naphthalenedisulfonicacid, sodium salt (1:2) (CAS NO.1655-35-2) is
.

Uses

  2,7-Naphthalenedisulfonicacid, sodium salt (1:2) (CAS NO.1655-35-2) is used in organic synthesis .

Safety Profile

Hazard Codes: IrritantXi
Risk Statements: 36/37/38 
R36/37/38: Irritating to eyes, respiratory system and skin.
Safety Statements: 37/39-26 
S37/39: Wear suitable gloves and eye/face protection. 
S26: In case of contact with eyes, rinse immediately with plenty of water and seek medical advice.
Hazard Note: Irritant