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135-51-3

135-51-3 structure
135-51-3 structure

Name 2-Naphthol-3,6-Disulfonic Acid Disodium Salt
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
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.

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)
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
Precursor  0

DownStream  3

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%