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CAS 27344-41-8 | Fluorescent Brightener 351

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Common NameFluorescent Brightener 351
CAS Number27344-41-8Molecular Weight562.564
Density1.414Boiling Point/
Molecular FormulaC28H20Na2O6S2Melting Point>300°C (dec.)
MSDS/Flash Point/

Names

NameFluorescent Brightener 351
SynonymMore Synonyms

Chemical & Physical Properties

Density1.414
Melting Point>300°C (dec.)
Molecular FormulaC28H20Na2O6S2
Molecular Weight562.564
Exact Mass562.049683
PSA131.16000
LogP7.66420
InChIKeyPMPJQLCPEQFEJW-GNTLFSRWSA-L
SMILESO=S(=O)([O-])c1ccccc1C=Cc1ccc(-c2ccc(C=Cc3ccccc3S(=O)(=O)[O-])cc2)cc1.[Na+].[Na+]

Toxicological Information

CHEMICAL IDENTIFICATION

RTECS NUMBER :
DB5044530
CHEMICAL NAME :
Benzenesulfonic acid, 2,2'-(4,4'-biphenylylenedivinylene)di-, disodium salt
CAS REGISTRY NUMBER :
27344-41-8
LAST UPDATED :
199710
DATA ITEMS CITED :
14
MOLECULAR FORMULA :
C28-H20-O6-S2.2Na
MOLECULAR WEIGHT :
562.58
WISWESSER LINE NOTATION :
WSO&R B1U1R DR D1U1R BSWO &-NA- 2

HEALTH HAZARD DATA

ACUTE TOXICITY DATA

TYPE OF TEST :
Standard Draize test
ROUTE OF EXPOSURE :
Administration onto the skin
SPECIES OBSERVED :
Rodent - rabbit
REFERENCE :
MVCRB3 MVC-Report. (Stockholm, Sweden) No.1-2, 1972-73. Discontinued. Volume(issue)/page/year: 2,193,1973
TYPE OF TEST :
Standard Draize test
ROUTE OF EXPOSURE :
Administration into the eye
SPECIES OBSERVED :
Rodent - rabbit
REFERENCE :
TXAPA9 Toxicology and Applied Pharmacology. (Academic Press, Inc., 1 E. First St., Duluth, MN 55802) V.1- 1959- Volume(issue)/page/year: 27,494,1974
TYPE OF TEST :
Rinsed with water
ROUTE OF EXPOSURE :
Administration into the eye
SPECIES OBSERVED :
Rodent - rabbit
REFERENCE :
TXAPA9 Toxicology and Applied Pharmacology. (Academic Press, Inc., 1 E. First St., Duluth, MN 55802) V.1- 1959- Volume(issue)/page/year: 27,494,1974 ** ACUTE TOXICITY DATA **
TYPE OF TEST :
LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE :
Oral
SPECIES OBSERVED :
Rodent - rat
DOSE/DURATION :
5580 mg/kg
TOXIC EFFECTS :
Details of toxic effects not reported other than lethal dose value
REFERENCE :
MVCRB3 MVC-Report. (Stockholm, Sweden) No.1-2, 1972-73. Discontinued. Volume(issue)/page/year: 2,193,1973
TYPE OF TEST :
LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE :
Administration onto the skin
SPECIES OBSERVED :
Rodent - rat
DOSE/DURATION :
>1 gm/kg
TOXIC EFFECTS :
Details of toxic effects not reported other than lethal dose value
REFERENCE :
MVCRB3 MVC-Report. (Stockholm, Sweden) No.1-2, 1972-73. Discontinued. Volume(issue)/page/year: 2,193,1973
TYPE OF TEST :
LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE :
Oral
SPECIES OBSERVED :
Rodent - mouse
DOSE/DURATION :
4920 mg/kg
TOXIC EFFECTS :
Behavioral - somnolence (general depressed activity)
REFERENCE :
ESKHA5 Eisei Shikenjo Hokoku. Bulletin of the Institute of Hygienic Sciences. (Kokuritsu Eisei Shikenjo Kagaku, 18-1 Bushitsu Johobu, Setagaya-ku, Tokyo 158, Japan) V.1- 1886- Volume(issue)/page/year: (104),45,1986
TYPE OF TEST :
LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE :
Administration onto the skin
SPECIES OBSERVED :
Rodent - rabbit
DOSE/DURATION :
2500 mg/kg
TOXIC EFFECTS :
Details of toxic effects not reported other than lethal dose value
REFERENCE :
MVCRB3 MVC-Report. (Stockholm, Sweden) No.1-2, 1972-73. Discontinued. Volume(issue)/page/year: 2,193,1973 ** REPRODUCTIVE DATA **
TYPE OF TEST :
TDLo - Lowest published toxic dose
ROUTE OF EXPOSURE :
Oral
DOSE :
110 mg/kg
SEX/DURATION :
female 6-16 day(s) after conception
TOXIC EFFECTS :
Reproductive - Fertility - post-implantation mortality (e.g. dead and/or resorbed implants per total number of implants)
REFERENCE :
TXAPA9 Toxicology and Applied Pharmacology. (Academic Press, Inc., 1 E. First St., Duluth, MN 55802) V.1- 1959- Volume(issue)/page/year: 27,494,1974 *** NIOSH STANDARDS DEVELOPMENT AND SURVEILLANCE DATA *** NIOSH OCCUPATIONAL EXPOSURE SURVEY DATA : NOES - National Occupational Exposure Survey (1983) NOES Hazard Code - X1139 No. of Facilities: 768 (estimated) No. of Industries: 12 No. of Occupations: 20 No. of Employees: 57765 (estimated) No. of Female Employees: 46384 (estimated)

Safety Information

Hazard CodesXn,Xi
Risk PhrasesR20/21/22:Harmful by inhalation, in contact with skin and if swallowed . R36/37/38:Irritating to eyes, respiratory system and skin .
Safety PhrasesS22-S26-S36/37/39

Synonyms

MFCD00318874
DisodiuM 4
4,4'-Bis(2-sulfonatostyryl)biphenyl Disodium Salt
EINECS 248-421-0
STILBENE 420
Disodium 4,4-Bis(2-Sulfonatostyryl)Biphenyl
Disodium 2,2'-((1,1'-biphenyl)-4,4'-diyldivinylene)bis(benzenesulphonate)
fba351
Tinopal CBX
CF 351
Fluorescent Brightener CBS-X
Disodium 4,4'-bis(2-sulfonatostyryl)biphenyl
STILBENE 3
Tinopal SK
Disodium 2,2'-[4,4'-biphenyldiyldi(E)-2,1-ethenediyl]dibenzenesulfonate
tinopalcbs
Eutex CBS
Benzenesulfonic acid, 2,2'-[[1,1'-biphenyl]-4,4'-diyldi(E)-2,1-ethenediyl]bis-, sodium salt (1:2)
Uvitex NFW
Sodium 2,2'-([1,1'-biphenyl]-4,4'-diylbis(ethene-2,1-diyl))dibenzenesulfonate

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