O-Tolidine
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- $12 - $1170
- Product name: O-Tolidine
- CAS: 119-93-7
- MF: C14H16N2
- MW: 212.29
- EINECS:204-358-0
- MDL Number:MFCD00014773
- Synonyms:1’-biphenyl)-4,4’-diamine,3,3’-dimethyl-( ;1’-Biphenyl)-4,4’-diamine,3,3’-dimethyl-(1 ;1’-biphenyl)-4,4’-diamine-3,3’-dimethyl-( ;1’-biphenyl]-4,4’-diamine,3,3’-dimethyl-[ ;2-Tolidin;2-Tolidina;2-Tolidine;3,3’-dimethyl-4,4’-biphenyldiamine
46 prices
Selected condition：
Brand
- AHH
- AK Scientific
- American Custom Chemicals Corporation
- Biosynth
- GFS CHEMICALS
- Matrix Scientific
- Medical Isotopes, Inc.
- Sigma-Aldrich
- SynQuest Laboratories
- TCI Chemical
- Thermo Scientific Chemicals
- TRC
Package
- 100mg
- 1g
- 2.5G
- 5g
- 25g
- 50g
- 100g
- 250g
- 500g
- ManufacturerAHH
- Product numberMT-57551
- Product descriptiono-Tolidine 98%
- Packaging500g
- Price$370
- Updated2021-12-16
- Buy
- ManufacturerAHH
- Product numberMT-57551
- Product descriptiono-Tolidine 97%
- Packaging500g
- Price$370
- Updated2026-05-25
- Buy
- ManufacturerAHH
- Product numberMT-57551
- Product descriptiono-Tolidine 97%
- Packaging500g
- Price$370
- Updated2026-05-26
- Buy
- ManufacturerAK Scientific
- Product numberT960
- Product description3,3'-Dimethylbiphenyl-4,4'-diamine 98%
- Packaging100g
- Price$167
- Updated2026-06-04
- Buy
- ManufacturerAK Scientific
- Product numberJ51691
- Product description3,3'-Dimethylbiphenyl-4,4'-diamine 95%
- Packaging1g
- Price$12
- Updated2026-06-04
- Buy
- ManufacturerAK Scientific
- Product numberT960
- Product description3,3'-Dimethylbiphenyl-4,4'-diamine 98%
- Packaging1g
- Price$16
- Updated2026-06-04
- Buy
- ManufacturerAK Scientific
- Product numberT960
- Product description3,3'-Dimethylbiphenyl-4,4'-diamine
- Packaging5g
- Price$17
- Updated2021-12-16
- Buy
- ManufacturerAK Scientific
- Product numberJ51691
- Product description3,3'-Dimethylbiphenyl-4,4'-diamine 95%
- Packaging5g
- Price$17
- Updated2026-06-04
- Buy
- ManufacturerAK Scientific
- Product numberT960
- Product description3,3'-Dimethylbiphenyl-4,4'-diamine 98%
- Packaging5g
- Price$21
- Updated2026-06-04
- Buy
- ManufacturerAK Scientific
- Product numberJ51691
- Product description3,3'-Dimethylbiphenyl-4,4'-diamine 95%
- Packaging25g
- Price$41
- Updated2026-06-04
- Buy
- ManufacturerAK Scientific
- Product numberT960
- Product description3,3'-Dimethylbiphenyl-4,4'-diamine 98%
- Packaging25g
- Price$55
- Updated2026-06-04
- Buy
- ManufacturerAK Scientific
- Product numberJ51691
- Product description3,3'-Dimethylbiphenyl-4,4'-diamine 95%
- Packaging100g
- Price$125
- Updated2026-06-04
- Buy
- ManufacturerAmerican Custom Chemicals Corporation
- Product numberCHM0031678
- Product descriptionO-TOLIDINE 95.00%
- Packaging1G
- Price$619.7
- Updated2021-12-16
- Buy
- ManufacturerAmerican Custom Chemicals Corporation
- Product numberCHM0031678
- Product descriptionO-TOLIDINE 95.00%
- Packaging2.5G
- Price$796.77
- Updated2021-12-16
- Buy
- ManufacturerAmerican Custom Chemicals Corporation
- Product numberCHM0031678
- Product descriptionO-TOLIDINE 95.00%
- Packaging5G
- Price$912.29
- Updated2021-12-16
- Buy
- ManufacturerBiosynth
- Product numberFT62332
- Product descriptiono-Tolidine
- Packaging100g
- Price$519
- Updated2026-06-04
- Buy
| Manufacturer | Product number | Product description | Packaging | Price | Updated | Buy |
|---|---|---|---|---|---|---|
| AHH | MT-57551 | o-Tolidine 98% | 500g | $370 | 2021-12-16 | Buy |
| AHH | MT-57551 | o-Tolidine 97% | 500g | $370 | 2026-05-25 | Buy |
| AHH | MT-57551 | o-Tolidine 97% | 500g | $370 | 2026-05-26 | Buy |
| AK Scientific | T960 | 3,3'-Dimethylbiphenyl-4,4'-diamine 98% | 100g | $167 | 2026-06-04 | Buy |
| AK Scientific | J51691 | 3,3'-Dimethylbiphenyl-4,4'-diamine 95% | 1g | $12 | 2026-06-04 | Buy |
| AK Scientific | T960 | 3,3'-Dimethylbiphenyl-4,4'-diamine 98% | 1g | $16 | 2026-06-04 | Buy |
| AK Scientific | T960 | 3,3'-Dimethylbiphenyl-4,4'-diamine | 5g | $17 | 2021-12-16 | Buy |
| AK Scientific | J51691 | 3,3'-Dimethylbiphenyl-4,4'-diamine 95% | 5g | $17 | 2026-06-04 | Buy |
| AK Scientific | T960 | 3,3'-Dimethylbiphenyl-4,4'-diamine 98% | 5g | $21 | 2026-06-04 | Buy |
| AK Scientific | J51691 | 3,3'-Dimethylbiphenyl-4,4'-diamine 95% | 25g | $41 | 2026-06-04 | Buy |
| AK Scientific | T960 | 3,3'-Dimethylbiphenyl-4,4'-diamine 98% | 25g | $55 | 2026-06-04 | Buy |
| AK Scientific | J51691 | 3,3'-Dimethylbiphenyl-4,4'-diamine 95% | 100g | $125 | 2026-06-04 | Buy |
| American Custom Chemicals Corporation | CHM0031678 | O-TOLIDINE 95.00% | 1G | $619.7 | 2021-12-16 | Buy |
| American Custom Chemicals Corporation | CHM0031678 | O-TOLIDINE 95.00% | 2.5G | $796.77 | 2021-12-16 | Buy |
| American Custom Chemicals Corporation | CHM0031678 | O-TOLIDINE 95.00% | 5G | $912.29 | 2021-12-16 | Buy |
| Biosynth | FT62332 | o-Tolidine | 100g | $519 | 2026-06-04 | Buy |
Properties
Melting point :128-131 °C(lit.)
Boiling point :300.5 °C
Density :0.9678 (rough estimate)
refractive index :n20/D 1.341
Flash point :244 °C
storage temp. :-20°C
solubility :2% HCl: 10 mg/mL, clear
Colour Index :37230
form :powder (may contain lumps)
pka :4.59±0.10(Predicted)
color :light brown
Water Solubility :Slightly soluble in water.
Merck :14,9514
BRN :2210640
Henry's Law Constant :1.6×105 mol/(m3Pa) at 25℃, HSDB (2015)
Exposure limits :TLV-TWA none; carcinogenicity: A2 — Suspected Human Carcinogen (ACGIH), Animal Limited Evidence (IARC).
Major Application :diagnostic assay manufacturing
hematology
histology 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
InChIKey :NUIURNJTPRWVAP-UHFFFAOYSA-N
SMILES :Cc1cc(ccc1N)-c2ccc(N)c(C)c2
IARC :2B (Vol. 1, Sup 7) 1987
NIST Chemistry Reference :[1,1'-Biphenyl]-4,4'-diamine, 3,3'-dimethyl-(119-93-7)
EPA Substance Registry System :3,3'-Dimethylbenzidine (119-93-7)
Boiling point :300.5 °C
Density :0.9678 (rough estimate)
refractive index :n
Flash point :244 °C
storage temp. :-20°C
solubility :2% HCl: 10 mg/mL, clear
Colour Index :37230
form :powder (may contain lumps)
pka :4.59±0.10(Predicted)
color :light brown
Water Solubility :Slightly soluble in water.
Merck :14,9514
BRN :2210640
Henry's Law Constant :1.6×105 mol/(m3Pa) at 25℃, HSDB (2015)
Exposure limits :TLV-TWA none; carcinogenicity: A2 — Suspected Human Carcinogen (ACGIH), Animal Limited Evidence (IARC).
Major Application :diagnostic assay manufacturing
hematology
histology 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
InChIKey :NUIURNJTPRWVAP-UHFFFAOYSA-N
SMILES :Cc1cc(ccc1N)-c2ccc(N)c(C)c2
IARC :2B (Vol. 1, Sup 7) 1987
NIST Chemistry Reference :[1,1'-Biphenyl]-4,4'-diamine, 3,3'-dimethyl-(119-93-7)
EPA Substance Registry System :3,3'-Dimethylbenzidine (119-93-7)
Safety Information
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Description
O-Tolidine is widely used in dye production. It is particularly used in textile, leather and paper industries. It can be used as an indicator in analytical, clinical and forensic chemistry. It is utilized for the determination of gold and chlorine level in swimming pool water.More related product prices
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Suppliers and manufacturers
Hebei Yanxi Chemical Co., Ltd.
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O-Tolidine
CAS:119-93-7
![3,3'-Dimethyl-[1,1'-biphenyl]-4,4'-Diamine(O-Tolidine)](/ProductImageEN/2021-11/small/fb5ad887-cdb5-43b7-bd0e-8547c04f7c2e.gif){kind=small}
