31659

o-Tolidine

analytical standard

• Synonim(y): 3,3′-Dimethylbenzidine, 4,4′-Bianisidine
• Wzór liniowy: [-C₆H₃(CH₃)-4-NH₂]₂
• Numer CAS: 119-93-7
• Masa cząsteczkowa: 212.29
• UNSPSC Code: 41116107
• NACRES: NA.24
• PubChem Substance ID: 329753869
• EC Number: 204-358-0
• Beilstein/REAXYS Number: 2210640
• MDL number: MFCD00014773

Właściwości

• grade: analytical standard
• Quality Segment: 100
• shelf life: limited shelf life, expiry date on the label
• technique(s): HPLC: suitable, gas chromatography (GC): suitable
• mp: 128-131 °C (lit.)
• application(s): cleaning products; cosmetics; food and beverages; personal care
• format: neat
• SMILES string: Cc1cc(ccc1N)-c2ccc(N)c(C)c2
• InChI: 1S/C14H16N2/c1-9-7-11(3-5-13(9)15)12-4-6-14(16)10(2)8-12/h3-8H,15-16H2,1-2H3
• InChI key: NUIURNJTPRWVAP-UHFFFAOYSA-N

Opis

General description

o-Tolidine is widely used in the aniline dye industry for the synthesis of different azo dyes.

Application

o-Tolidine (3,3′-dimethylbenzidine) may be used as an analytical reference standard for the determination of the analyte formed from azo colorants in toy products by high-performance liquid chromatography with UV detection.

Refer to the product′s Certificate of Analysis for more information on a suitable instrument technique. Contact Technical Service for further support.

Sensitive colorimetric reagent for gold and for free chlorine in water.

Disclaimer

May be carcinogenic.

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Informacja o środkach bezpieczeństwa

• pictograms: GHS08,GHS07,GHS09
• signalword: Danger
• hcodes: H302,H350,H411
• pcodes: P202 - P264 - P273 - P280 - P301 + P312 - P308 + P313
• Hazard Classifications: Acute Tox. 4 Oral - Aquatic Chronic 2 - Carc. 1B
• Klasa składowania: 6.1C - Combustible acute toxic Cat.3 / toxic compounds or compounds which causing chronic effects
• wgk: WGK 3
• flash_point_f: 212.0 °F - closed cup
• flash_point_c: 100 °C - closed cup
• ppe: dust mask type N95 (US), Eyeshields, Faceshields, Gloves, type P2 (EN 143) respirator cartridges