-
Name
1-Naphthol-3,6-disulfonic acid disodium salt
- EINECS 243-754-8
- CAS No. 20349-39-7
- Density 1.816[at 20℃]
- Solubility 1000g/L at 25℃
- Melting Point 300℃
- Formula C10H6Na2O7S2
- Boiling Point 214-215 °C (16 mmHg)
- Molecular Weight 348.265
- Flash Point 201-202°C/9mm
- Transport Information
- Appearance pinkish-grey presscake
- Safety 26-36
- Risk Codes 36/37/38
-
Molecular Structure
-
Hazard Symbols
Xi
- Synonyms 2,7-Naphthalenedisulfonicacid, 4-hydroxy-, disodium salt (8CI,9CI);4-Hydroxy-2,7-naphthalenedisulfonicacid disodium salt;Disodium 1-hydroxy-3,6-naphthalenedisulfonate;
- PSA 151.39000
- LogP 2.51520
1-NAPHTHOL-3,6-DISULFONIC ACID DISODIUM SALT Chemical Properties
Product Name: 1-Naphthol-3,6-disulfonic acid disodium salt
The MF of 1-Naphthol-3,6-disulfonic acid disodium salt (20349-39-7) is C10H6Na2O7S2.
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The MW of 1-Naphthol-3,6-disulfonic acid disodium salt (20349-39-7) is 348.26.
Synonyms of 1-Naphthol-3,6-disulfonic acid disodium salt (20349-39-7): Rudolf guercke acid disodium salt hydrate ; 2,7-Naphthalenedisulfonicacid,4-hydroxy-,disodiumsalt ; 7-Naphthalenedisulfonicacid,4-hydroxy-disodiumsalt ; Violet acid disodium salt hydrate ; 1-Naphthol-3,6-disulfonic acid disodium salt ; 1-Naphthol-3,6-disulfonic acid disodium salt hydrate ; 1-Hydroxynaphthalene-3,6-disulfonic acid disodium salt ; 4-Hydroxy-2,7-naphthalenedisulfonic acid, disodium salt
Product Categories: Intermediates of Dyes and Pigments
EINECS: 243-754-8
Form: pinkish-grey presscake
Melting Point: 300°C
1-NAPHTHOL-3,6-DISULFONIC ACID DISODIUM SALT Uses
1-Naphthol-3,6-disulfonic acid disodium salt (20349-39-7) is used as a dye, pigment intermediates.
1-NAPHTHOL-3,6-DISULFONIC ACID DISODIUM SALT Safety Profile
Safety information of 1-Naphthol-3,6-disulfonic acid disodium salt (20349-39-7):
Hazard Codes 
Xi
Risk Statements 36/37/38
R36/37/38: Irritating to eyes, respiratory system and skin
Safety Statements 26-36
S26: In case of contact with eyes, rinse immediately with plenty of water and seek medical advice
S36: Wear suitable protective clothing
WGK Germany 3
1-NAPHTHOL-3,6-DISULFONIC ACID DISODIUM SALT Specification
Store in a cool, dry place. Store in a tightly closed container.Avoid breathing dust, vapor, mist, or gas. Avoid contact with skin and eyes.
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