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o-Tolidine

CAS 119-93-7: o-Tolidine

Description:o-Tolidine, also known as 3,3'-dimethylbenzidine, is an organic compound with the chemical formula C14H16N2. It is characterized by its structure, which features two amino groups attached to a biphenyl framework, specifically at the ortho positions relative to each other. This compound appears as a yellow to orange crystalline solid and is soluble in organic solvents but has limited solubility in water. o-Tolidine is primarily used in the production of dyes and pigments, particularly in the textile and paper industries. However, it is important to note that o-tolidine is considered hazardous; it is a potential carcinogen and can pose health risks upon exposure. Safety precautions are essential when handling this substance, including the use of personal protective equipment and proper ventilation. Additionally, due to its toxicological profile, o-tolidine is subject to regulatory controls in many regions, emphasizing the need for careful management in industrial applications.

Formula:C14H16N2

InChI: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:InChIKey=NUIURNJTPRWVAP-UHFFFAOYSA-N

SMILES:NC=1C=CC(=CC1C)C2=CC=C(N)C(=C2)C

  • Synonyms:
  • (1,1'-Biphenyl)-4,4'-Diamine-3,3'-Dimethyl-
  • 1'-Biphenyl)-4,4'-Diamine,3,3'-Dimethyl-
  • 2-Tolidina
  • 2-Tolidine
  • 3,3'-Dimethyl-4,4'-Biphenyldiamine
  • 3,3'-Dimethyl-4,4'-Diaminobiphenyl
  • 3,3'-Dimethyl-[1,1'-Biphenyl]-4,4'- Diamine
  • 3,3'-Dimethyl-[1,1'-biphenyl]-4,4'-Diamine(O-Tolidine)
  • 3,3'-Dimethylbenzidine
  • 3,3'-Dimethylbenzidine (o-tolidine)
  • See more synonyms
  • 3,3'-Tolidine
  • 4'-Amino-3,3'-dimethyl[1,1'-biphenyl]-4-ylamine
  • 4,4'-Bi-O-Toluidina
  • 4,4'-Bi-o-toluidin
  • 4,4'-Bi-o-toluidine
  • 4,4'-Diamino-3,3'-dimethyl-1,1'-biphenyl
  • 4,4'-Diamino-3,3'-dimethylbiphenyl
  • Azoic diazo component 113
  • Benzidine, 3,3'-dimethyl-
  • Bianisidine
  • Fast Dark Blue Base R
  • O-Tolidin
  • Orthotolidine
  • [2-Tolidin
  • o,o'-Tolidine
  • o-Tolidine
  • o-Tolidine(3,3'-Dimethylbenzidine)
  • C.I. Azoic Diazo Component 113
  • C.I. 37230
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products per page. Found 21 products.

BrandProduct dataPurityPrice rangeEstimated delivery
TCI logo
o-Tolidine Solution (0.1w/v% in 2N Hydrochloric Acid)
REF: 3B-T0255
CAS: 119-93-7
- - -28.00 €Tue 25 Feb 25
Alfa Aesar By Thermo Fisher Scientific logo
o-Tolidine, 98%
REF: 02-A17837
CAS: 119-93-7
98%86.00 €~297.00 €Mon 24 Feb 25
Acros logo
o-Tolidine, 95%, pract
REF: AC-42112
CAS: 119-93-7
95%To inquireWed 26 Feb 25
Apollo Scientific logo
3,3'-Dimethyl-4,4'-diaminobiphenyl
REF: 54-OR1021387
CAS: 119-93-7
- - -233.00 €~506.00 €Mon 03 Mar 25
Glentham logo
o-Tolidine
REF: 7W-GT1956
CAS: 119-93-7
≥ 98.0%49.00 €~138.00 €Mon 03 Mar 25
Doctor Ehrenstorfer logo
Azodyes-Mix 6 10 µg/mL in Acetonitrile
REF: 04-L18000376AL
CAS:
- - -608.00 €Wed 05 Mar 25
Doctor Ehrenstorfer logo
Azodyes-Mix 16 50 µg/mL in Acetonitrile
REF: 04-XA18000856AL
CAS:
- - -339.00 €Wed 05 Mar 25
Doctor Ehrenstorfer logo
Azodyes-Mix 9 100 µg/mL in Acetonitrile
REF: 04-XA18000466AL
CAS:
- - -449.00 €Wed 05 Mar 25
Doctor Ehrenstorfer logo
GB 31604.52-2021 Primary Aromatic Amine Mixtures 36 1000 µg/mL in Acetonitrile
REF: 04-A50000739AL
CAS:
- - -339.00 €Wed 05 Mar 25
Doctor Ehrenstorfer logo
3,3-Dimethylbenzidine 100 µg/mL in Acetonitrile
REF: 04-A12726000AL-100
CAS: 119-93-7
- - -27.00 €Wed 05 Mar 25
TCI logo
o-Tolidine
REF: 3B-T0253
CAS: 119-93-7
>98.0%(GC)60.00 €~207.00 €Wed 05 Mar 25
Doctor Ehrenstorfer logo
GB/T 17592-2011 Azo Dyes Mixture 128 1000 µg/mL in Acetonitrile
REF: 04-A50000128AL
CAS:
- - -To inquireWed 05 Mar 25
Doctor Ehrenstorfer logo
Azodyes-Mix 6 10 µg/mL in Acetonitrile
REF: 04-LA18000376AL
CAS:
- - -215.00 €Wed 05 Mar 25
Doctor Ehrenstorfer logo
EPA Method 8270 Benzidines Mixture 2000 µg/mL in Methanol
REF: 04-GA09000426ME
CAS:
- - -To inquireWed 05 Mar 25
Doctor Ehrenstorfer logo
SN/T 3045-2011 Azo Dyes Mixture 120 300 µg/mL in Acetonitrile
REF: 04-A50000120AL
CAS:
- - -To inquireWed 05 Mar 25
Doctor Ehrenstorfer logo
3,3'-Dimethylbenzidine
REF: 04-C12726000
CAS: 119-93-7
- - -61.00 €Wed 05 Mar 25
TLC logo
3,3'-Tolidine
REF: 4Z-A-248038
CAS: 119-93-7
- - -To inquireTue 11 Mar 25
TRC logo
3,3'-Tolidine
REF: TR-T535330
CAS: 119-93-7
- - -257.00 €~351.00 €Wed 12 Mar 25
Biosynth logo
o-Tolidine
REF: 3D-FT62332
CAS: 119-93-7
Min. 95%147.00 €~538.00 €Tue 15 Apr 25
Sisco Research Laboratories logo
o-Tolidine extrapure AR, 98%
REF: SR-67593
CAS: 119-93-7
min 98%- - -Discontinued product
discount label

Ref: 3B-T0255

500ml28.00 €
Estimated delivery in United States, on Tuesday 25 Feb 2025
discount label

o-Tolidine, 98%

CAS:119-93-7

Ref: 02-A17837

25g86.00 €
100g297.00 €
Estimated delivery in United States, on Monday 24 Feb 2025
discount label

o-Tolidine, 95%, pract

CAS:119-93-7

Ref: AC-42112

25g112.00 €
100gTo inquire
250g692.00 €
500gTo inquire
Estimated delivery in United States, on Wednesday 26 Feb 2025
discount label

3,3'-Dimethyl-4,4'-diaminobiphenyl

CAS:119-93-7

Ref: 54-OR1021387

100g233.00 €
250g506.00 €
Estimated delivery in United States, on Monday 3 Mar 2025
discount label

o-Tolidine

CAS:119-93-7

Ref: 7W-GT1956

25g49.00 €
100g138.00 €
Estimated delivery in United States, on Monday 3 Mar 2025
discount label

3,3-Dimethylbenzidine 100 µg/mL in Acetonitrile

CAS:119-93-7

Ref: 04-A12726000AL-100

1ml27.00 €
Estimated delivery in United States, on Wednesday 5 Mar 2025
discount label

o-Tolidine

CAS:119-93-7

Ref: 3B-T0253

1g60.00 €
5g207.00 €
Estimated delivery in United States, on Wednesday 5 Mar 2025
discount label

EPA Method 8270 Benzidines Mixture 2000 µg/mL in Methanol

Controlled Product
CAS:119-93-791-94-1 92-87-5

Ref: 04-GA09000426ME

1mlTo inquire
Estimated delivery in United States, on Wednesday 5 Mar 2025
discount label

3,3'-Dimethylbenzidine

Controlled Product
CAS:119-93-7

Ref: 04-C12726000

100mg61.00 €
Estimated delivery in United States, on Wednesday 5 Mar 2025
discount label

Ref: 4Z-A-248038

5mgTo inquire
10mgTo inquire
25mgTo inquire
50mgTo inquire
100mgTo inquire
Estimated delivery in United States, on Tuesday 11 Mar 2025
discount label

3,3'-Tolidine

Controlled Product
CAS:119-93-7

Ref: TR-T535330

25g257.00 €
50g293.00 €
100g351.00 €
Estimated delivery in United States, on Wednesday 12 Mar 2025
discount label

o-Tolidine

Controlled Product
CAS:119-93-7

Ref: 3D-FT62332

2g147.00 €
5g163.00 €
10g230.00 €
25g346.00 €
50g538.00 €
Estimated delivery in United States, on Tuesday 15 Apr 2025
discount label

o-Tolidine extrapure AR, 98%

CAS:119-93-7

Ref: SR-67593

25gDiscontinuedRequest information
100gDiscontinuedRequest information
500gDiscontinuedRequest information
Discontinued product
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