CAS 135-51-3|Disodium 3-hydroxy-2,7-naphthalenedisulfonate

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)

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...

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...

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...