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HCID 33786Erstellt: 4. November 2026

Dinatrium-2,2'-([1,1'-biphenyl]-4,4'-diyldivinylen)bis(benzolsulfonat)

Optical Brightener CBS-X · DISODIUM DISTYRYLBIPHENYL DISULFONATE · STILBENE 420 · fba351 · OPTICAL BRIGHTENER 351 · 4,4'-BIS(2-SULFONATOSTYRYL)BIPHENYL DISODIUM SALT · STILBENE 3 · Brightener CBS-X

https://huagongshe.com/de/chemical/33786

Molekülstruktur von Dinatrium-2,2'-([1,1'-biphenyl]-4,4'-diyldivinylen)bis(benzolsulfonat)

Identifikatoren & physikalische Daten

CAS No.27344-41-8
SummenformelC28H20Na2O6S2
Durchschnittliche Molmasse562,6 g/mol
Monoisotopische Masse562,04966926 g/mol
SMILESO=S(=O)([O-])c1ccccc1C=Cc1ccc(-c2ccc(C=Cc3ccccc3S(=O)(=O)[O-])cc2)cc1.[Na+].[Na+]
InChIKeyPMPJQLCPEQFEJW-UHFFFAOYSA-L
PubChem CID33786
ChEMBLCHEMBL3185170
EC No.248-421-0
DTXSIDDTXSID6036467
Lokaler NameDinatrium-2,2'-([1,1'-biphenyl]-4,4'-diyldivinylen)bis(benzolsulfonat)

Chemische & physikalische Eigenschaften

Polarare Oberfläche (TPSA)131
H-Brücken-Donoren0
H-Brücken-Akzeptoren6
Frei drehbare Bindungen5
Schwere Atome38
Formalladung0
Komplexität852
StoffklassenDyes -> Carbocyanine Dyes
KosmetikaSurfactantViscosity controlling
Physical DescriptionDry PowderOther SolidLiquidYellow odorless powder[Exciton MSDS] 29-31% Aqueous solution: Yellow odorless slurry[Ciba MSDS]
Schmelzpunkt>300°C (dec.)
Dichte1.414
LagerbedingungenInert atmosphere,Room Temperature
LöslichkeitDMSO (Sparingly), Methanol (Slightly), Water (Slightly)17.6g/L at 20℃
AggregatzustandSolid
FarbePale Green to Green
Kosmetik-Inhaltsstoffe FunktionenUV ABSORBERSURFACTANT - CLEANSINGVISCOSITY CONTROLLINGHAIR CONDITIONING
InChIKeyPMPJQLCPEQFEJW-HPKCLRQXSA-L
SMILESC(C1C=CC(C2C=CC(C=CC3C=CC=CC=3S(O)(=O)=O)=CC=2)=CC=1)=CC1C=CC=CC=1S(O)(=O)=O.[NaH]
LogP (Verteilungskoeffizient)-2.32 at 25℃
CAS Datenbank27344-41-8(CAS DataBase Reference)
EPA chemische InformationenDisodium 4,4'-bis(2-sulfostyryl)biphenyl (27344-41-8)

Sicherheit & Vorschriften

GHS-EinstufungThis chemical does not meet GHS hazard criteria for 1.3% (7 of 549) of reports.DangerH318 (25%): Causes serious eye damage [Danger Serious eye damage/eye irritation]P264+P265, P280, P305+P351+P338, P305+P354+P338, P317, and P337+P317 (click each P-code to see the statement)Aggregated GHS information provided per 549 reports by companies from 17 notifications to the ECHA C&L Inventory. Each notification may be associated with multiple companies.
Regulatorische InformationenChemical: Benzenesulfonic acid, 2,2'-([1,1'-biphenyl]-4,4'-diyldi-2,1-ethenediyl)bis-, disodium saltBenzenesulfonic acid, 2,2'-([1,1'-biphenyl]-4,4'-diyldi-2,1-ethenediyl)bis-, sodium salt (1:2) is listed on the EPA's Chemical Data Reporting (CDR) system. Manufacturers and importers of Benzenesulfonic acid, 2,2'-([1,1'-biphenyl]-4,4'-diyldi-2,1-ethenediyl)bis-, sodium salt (1:2) are required to report information about their production and use of this chemical to the EPA under the Toxic Substances Control Act (TSCA). (40 eCFR Part 711)REACH registered substance: Disodium 2,2'-([1,1'-biphenyl]-4,4'-diyldivinylene)bis(benzenesulphonate) (EC: 248-421-0)
Weitere SicherheitsinformationenIMAP assessments - Benzenesulfonic acid, 2,2'-([1,1'-biphenyl]-4,4'-diyldi-2,1-ethenediyl)bis-, disodium salt: Human health tier I assessment
GefahrenübersichtCauses no skin and serious eye irritation in rabbits (classified by the EC as risk of serious damage to eyes)Not a skin sensitizer in guinea pigs[IUCLID] Causes somnolence and dyspnea in inhalation lethal-concentration studies of rats[RTECS] May cause transient eye irritationNot a skin irritant or sensitizer[Exciton MSDS] 29-31% Aqueous solution: An eye irritant[Ciba MSDS]
Hazard Classes and CategoriesEye Dam. 1 (25%)
Protective Action Criteria (PAC)2.6 [mg/m3]29 [mg/m3]170 [mg/m3]
Toxicity DataLC50 (rat) = 3,660 mg/m3/4hr
TSCA-Inventar-StatusTSCA listed
Zollcode29049090
Sicherheitshinweise (S)24/25

Anwendungen & Verwendung

Verwenden

Disodium 4,4'-bis(2-sulfostyryl)biphenyl can be used as a fluorescent whitening agent used for household goods.