Disodium 3-hydroxy-2,7-naphthalenedisulfonate

Modify Date: 2025-08-22 00:02:33

Disodium 3-hydroxy-2,7-naphthalenedisulfonate Structure
Disodium 3-hydroxy-2,7-naphthalenedisulfonate structure
 Common Name Disodium 3-hydroxy-2,7-naphthalenedisulfonate
CAS Number 135-51-3 Molecular Weight 348.260
Density N/A Boiling Point N/A
Molecular Formula C10H6Na2O7S2 Melting Point 107ºC
MSDS USA Flash Point N/A
Symbol GHS07
GHS07		 Signal Word Warning

 Names

Name 2-Naphthol-3,6-Disulfonic Acid Disodium Salt
Synonym More Synonyms

 Chemical & Physical Properties

Melting Point 107ºC
Molecular Formula C10H6Na2O7S2
Molecular Weight 348.260
Exact Mass 347.935028
PSA 151.39000
LogP 2.51520
Stability Stable. Incompatible with strong oxidizing agents.

 Toxicological Information

CHEMICAL IDENTIFICATION

RTECS NUMBER :
QJ6477000
CHEMICAL NAME :
2,7-Naphthalenedisulfonic acid, 3-hydroxy-, disodium salt
CAS REGISTRY NUMBER :
135-51-3
LAST UPDATED :
199701
DATA ITEMS CITED :
4
MOLECULAR FORMULA :
C10-H6-O7-S2.2Na
MOLECULAR WEIGHT :
348.26
WISWESSER LINE NOTATION :
L66J CQ DSWO HSWO &-NA- 2

HEALTH HAZARD DATA

ACUTE TOXICITY DATA

TYPE OF TEST :
TDLo - Lowest published toxic dose
ROUTE OF EXPOSURE :
Oral
DOSE :
2 gm/kg
SEX/DURATION :
female 1-20 day(s) after conception
TOXIC EFFECTS :
Reproductive - Fertility - post-implantation mortality (e.g. dead and/or resorbed implants per total number of implants)
REFERENCE :
FCTXAV Food and Cosmetics Toxicology. (London, UK) V.1-19, 1963-81. For publisher information, see FCTOD7. Volume(issue)/page/year: 11,355,1973
TYPE OF TEST :
TDLo - Lowest published toxic dose
ROUTE OF EXPOSURE :
Oral
DOSE :
300 mg/kg
SEX/DURATION :
female 1-20 day(s) after conception
TOXIC EFFECTS :
Reproductive - Specific Developmental Abnormalities - musculoskeletal system
REFERENCE :
FCTXAV Food and Cosmetics Toxicology. (London, UK) V.1-19, 1963-81. For publisher information, see FCTOD7. Volume(issue)/page/year: 11,355,1973 *** NIOSH STANDARDS DEVELOPMENT AND SURVEILLANCE DATA *** NIOSH OCCUPATIONAL EXPOSURE SURVEY DATA : NOES - National Occupational Exposure Survey (1983) NOES Hazard Code - X2877 No. of Facilities: 21 (estimated) No. of Industries: 1 No. of Occupations: 1 No. of Employees: 170 (estimated) No. of Female Employees: 103 (estimated)

 Safety Information

Symbol GHS07
GHS07
Signal Word Warning
Hazard Statements H315-H319
Precautionary Statements P305 + P351 + P338
Personal Protective Equipment dust mask type N95 (US);Eyeshields;Gloves
Hazard Codes Xi:Irritant;
Risk Phrases R36/38
Safety Phrases S26-S36
RIDADR NONH for all modes of transport
WGK Germany 3
RTECS QJ6477000
HS Code 2922210000

 Customs

HS Code 2908999090
Summary 2908999090 halogenated, sulphonated, nitrated or nitrosated derivatives of phenols or phenol-alcohols。Supervision conditions:None。VAT:17.0%。Tax rebate rate:9.0%。MFN tariff:5.5%。General tariff:30.0%

 Articles3

More Articles
Rapid pH and deltamuH+ jump by short laser pulse.

J. Biochem. Biophys. Methods 1(1) , 9-19, (1979)

The excited state (S1) of sulfononaphthols has a pK value well below that of the ground state, consequently intensive illumination of their aqueous solution should lead to acidification. In this study...

Kinetic analysis of protonation of a specific site on a buffered surface of a macromolecular body.

Biochemistry 24(12) , 2941-6, (1985)

The kinetics of protonation of a specific site on a macromolecular structure (micelle) in buffered solution was studied with the purpose of evaluating the effect of buffer on the observed dynamics. Th...

Effect of buffer on kinetics of proton equilibration with a protonable group.

Biochemistry 24(12) , 2937-41, (1985)

The laser-induced proton pulse generates a massive, brief, proton pulse capable of perturbing biochemical equilibria. The time resolution of the monitoring system can follow the diffusion-controlled p...

 Synonyms

3-Hydroxy-2,7-naphthalenedisulfonic Acid Disodium Salt
2,7-Naphthalenedisulfonic acid, 3-hydroxy-, sodium salt (1:2)
MFCD00065915
Disodium 2-naphthol-3,6-disulfonate
2-Naphthol-3,6-disulfonic Acid Disodium Salt
EINECS 205-196-3
R Acid Disodium Salt
Disodium 3-hydroxy-2,7-naphthalenedisulfonate
Sodium 3-hydroxynaphthalene-2,7-disulfonate
disodium 3-hydroxynaphthalene-2,7-disulfonate
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Chemsrc provides CAS#:135-51-3 MSDS, density, melting point, boiling point, structure, etc. Its name is Disodium 3-hydroxy-2,7-naphthalenedisulfonate>> amp version: Disodium 3-hydroxy-2,7-naphthalenedisulfonate

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