3,3'-Diaminobenzidine

ChemicalBook > CAS DataBase List > 3,3'-Diaminobenzidine

3,3'-Diaminobenzidine

Product Name: 3,3'-Diaminobenzidine
CAS No.: 91-95-2
Chemical Name: 3,3'-Diaminobenzidine
Synonyms: DAB;DIAMINOBENZIDINE;[1,1'-biphenyl]-3,3',4,4'-tetraaMine;3,3';DAB BUFFER;JACS-91-95-2;TETRAAMINOBIPHENYL;TIMTEC-BB SBB008427;3'-DiaMinobenzidine;3,3'-Diaminobenzidin
CBNumber: CB0366173
Molecular Formula: C12H14N4
Formula Weight: 214.27
MOL File: 91-95-2.mol

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3,3'-Diaminobenzidine Property

Melting point:: 175-177 °C(lit.)
Boiling point:: 344.41°C (rough estimate)
Density: 1.1726 (rough estimate)
refractive index: 1.5000 (estimate)
Flash point:: 12 °C
storage temp.: room temp
solubility: 0.55g/l
form: tablet
pka: 4.39±0.10(Predicted)
color: Crystals from MeOH
PH: 7 (1g/l, H2O, 20℃)
Water Solubility: 0.55 g/L (20 ºC)
Sensitive: Light Sensitive
BRN: 1212988
Stability:: Moisture and light sensitive. Incompatible with strong oxidizing agents.
InChIKey: HSTOKWSFWGCZMH-UHFFFAOYSA-N
CAS DataBase Reference: 91-95-2(CAS DataBase Reference)
NIST Chemistry Reference: 3,3'-Diaminobenzidine(91-95-2)
EPA Substance Registry System: 3,3'-Diaminobenzidine (91-95-2)

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Safety

Hazard Codes: Xn,T,F,O
Risk Statements: 36/37/38-40-22-20/21/22-68-45-67-37-34-11-8
Safety Statements: 26-36/37-45-36/37/39-22-53-16
RIDADR: UN 3316 9
WGK Germany: 1
RTECS: DV8750000
F: 8-10-23
TSCA: Yes
HS Code: 29214200
Toxicity: LDLo orl-rat: 3000 mg/kg CNREA8 26,619,66

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Hazard and Precautionary Statements (GHS)

Symbol(GHS)

Signal word

Danger

Hazard statements

H302Harmful if swallowed

H319Causes serious eye irritation

H341Suspected of causing genetic defects

H350May cause cancer

Precautionary statements

P202Do not handle until all safety precautions have been read and understood.

P264Wash hands thoroughly after handling.

P264Wash skin thouroughly after handling.

P270Do not eat, drink or smoke when using this product.

P301+P312IF SWALLOWED: call a POISON CENTER or doctor/physician IF you feel unwell.

P305+P351+P338IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continuerinsing.

P308+P313IF exposed or concerned: Get medical advice/attention.

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N-Bromosuccinimide Price

Sigma-Aldrich

Product number: D4418
Product name: SIGMAFAST™ 3,3′-Diaminobenzidine tablets
Purity: tablet, To prepare 15 mL
Packaging: 5sets
Price: $50.7
Updated: 2024/03/01

Sigma-Aldrich

Product number: D4293
Product name: SIGMAFAST™ 3,3′-Diaminobenzidine tablets
Purity: tablet, To prepare 5 mL
Packaging: 5sets
Price: $30.66
Updated: 2024/03/01

Sigma-Aldrich

Product number: D4418
Product name: SIGMAFAST™ 3,3′-Diaminobenzidine tablets
Purity: tablet, To prepare 15 mL
Packaging: 50sets
Price: $498
Updated: 2024/03/01

Sigma-Aldrich

Product number: D4293
Product name: SIGMAFAST™ 3,3′-Diaminobenzidine tablets
Purity: tablet, To prepare 5 mL
Packaging: 50sets
Price: $251
Updated: 2024/03/01

Sigma-Aldrich

Product number: D12384
Product name: 3,3′-Diaminobenzidine
Purity: 99%
Packaging: 1g
Price: $41.8
Updated: 2024/03/01

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3,3'-Diaminobenzidine Chemical Properties,Usage,Production

Description

3,3'-Diaminobenzidine (DAB) is a precursor to polybenzimidazole. DAB is frequently used in the immunohistochemical staining of nucleic acids and proteins. It can also be used to detect fingerprints in blood because that it can be oxidized by hydrogen peroxide in the presence of hemoglobin to give a dark-brown color.

Chemical Properties

Off-white to brown solid.

Uses

3,3'-Diaminobenzidine is used as peroxidase substrate and a reagent for spectrophotometric determination of selenium. DAB is used for the immunohistochemical staining of nucleic acids and proteins. As a dark brown dye, was used as an antibody-specific stain to identify the paired antibodies in breast tissue. It may be used for the synthesis of a useful, linear, Schiff-base coordination polymer.

Synthesis

3,3'-Diaminobenzidine can be synthesized by treating 3, 3'-dichlorobenzidine with ammonia in the presence of copper catalyst at high temperature and pressure.

Application

3,3'-Diaminobenzidine is used for preparation of high-strength material such as nucleic acid stain and resistance high-temperature polymers such as bullet-proof vests.?

Definition

ChEBI: 3,3'-diaminobenzidine is a member of the class of biphenyls that is benzidine in which one of the hydrogens ortho to each of the amino groups has been replaced by an amino group. It has a role as a histological dye. It is a member of biphenyls and a substituted aniline.

Application

3,3',4,4' -Tetraaminodiphenyl (3,3'-Diaminobenzidine) is suitable for the production of fibers based on polybenzimidazole. These fibers are resistant to high temperature and to chemicals. Fabrics made from them do not burn, do not melt in contact with a flame, and do not become hard when carbonized. They are suitable for the production of protective clothing and flue–gas filters and as substitutes for asbestos.

Preparation

15 kg of 98.5% pure 3,3'-dinitro-4,4'-diaminobiphenyl tide product and 45 kg of methanol,0.075 kg of palladium carbon is mixed, and hydrogen gas of 0.85-0.9 MPa is introduced at 55-60 ° C, and stirred for 3 hours.At the end of the reaction, the catalyst was recovered, methanol was recovered, 30 kg of water was added, and the mixture was centrifuged and dried to obtain 9.3 kg of 3,3'-Diaminobenzidine having a purity of 99.3%.The yield was 90.6% (based on 3,3'-dinitro-4,4'-diacetylaminobiphenyl).

Biochem/physiol Actions

DAB (3,3′-Diaminobenzidine) is utilized in many applications for the visualization of peroxidase activity. In the peroxidase reaction, DAB serves as a hydrogen donor in the presence of peroxide. The oxidized DAB forms an insoluble brown end-product for use in the immunohistological and immunoblotting staining procedures.

Safety Profile

Suspected carcinogen withexperimental tumorigenic data. Moderately toxic byingestion. Mutation data reported. When heated todecomposition it emits toxic fumes of NOx.

References

3,3′-Diaminobenzidine staining interferes with PCR-based DNA analysis
DOI:10.1038/s41598-018-19745-9
Transition metal complexes of novel binuclear Schiff base derived from 3,3′-diaminobenzidine: synthesis, characterization, thermal behavior, DFT, antimicrobial and molecular docking studies
DOI:10.1080/00958972.2020.1752372
3, 3′-Diaminobenzidine with dual o-phenylenediamine groups: two in one enables visual colorimetric detection of nitric oxide
DOI:10.1007/s00216-020-02482-2
A new sensitive colorimetric assay for peroxidase using 3,3'-diaminobenzidine as hydrogen donor.
DOI:10.1016/0003-2697(73)90144-9

3,3'-Diaminobenzidine Preparation Products And Raw materials

Raw materials

Benzidine

Preparation Products

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View Lastest Price from 3,3'-Diaminobenzidine manufacturers

Hebei Zhuanglai Chemical Trading Co.,Ltd

Product: 3,3'-Diaminobenzidine 91-95-2
Price: US $40.00/kg
Min. Order: 1kg
Purity: 99%
Supply Ability: 5000kg/week
Release date: 2024-05-30

WUHAN FORTUNA CHEMICAL CO., LTD

Product: 3,3'-Diaminobenzidine 91-95-2
Price: US $800.00-730.00/KG
Min. Order: 1KG
Purity: 98%
Supply Ability: 100KG/month
Release date: 2022-10-28

WUHAN FORTUNA CHEMICAL CO., LTD

Product: 3,3'-Diaminobenzidine 91-95-2
Price: US $0.00-0.00/Kg/Drum
Min. Order: 1KG
Purity: 97%min
Supply Ability: 500KGS
Release date: 2021-06-04

91-95-2, 3,3'-Diaminobenzidine Related Search:

Benzidine dihydrochloride trans-Bifenthtin 3,3',5,5'-Tetramethylbenzidine dihydrochloride Benzidine Bifonazole Biphenyl Bifendate Pigment Yellow 12 FIREMASTER BP-6 2,3,3',4,4',5-HEXACHLOROBIPHENYL 3,3',4,4'-Biphenyltetramine tetrahydrochloride 2,2'-OXYDIANILINE 3,3'-Diaminobenzidine tetrahydrochloride dihydrate,3,3μ-Diaminobenzidine dihydrate tetrahydrochloride,3,3'-DIAMINOBENZIDINE TETRAHYDROCHLORIDE HYDRATE 3,3'-Diaminobenzidine tetrahydrochloride hydrate 3,3′-DIAMINOBENZIDINE TABLETS 3,3'-Diaminobenzidine 3,3μ-Diaminobenzidine (DAB) Liquid Substrate System tetrahydrochloride 3,3' DIAMINOBENZIDINE-TETRAHYDROCHLORID

TIMTEC-BB SBB008427

3,3'-Diaminobenzidine IN STOCK

3,3'-Diaminobenzidine Factory

3,3'-Diaminobenzidine COA TDS MSDS

3,3μ,4,4μ-Biphenyltetramine, 3,3μ,4,4μ-Tetraaminobiphenyl, DAB

1,1'-Biphenyl-3,3',4,4'-tetrakisamine

3,3',4,4'-[1,1'-Biphenyl]tetraamine

3,3',4,4'-Biphenyltetraamine

3,3'-Diaminobenzidine,99%

3,3′-Diaminobenzidine,3,3′,4,4′-Biphenyltetramine, 3,3′,4,4′-Tetraaminobiphenyl, DAB

3.3'-Diaminobenzidine 250mg [91-95-2]

3,3'-Diaminobenzidin

3'-DiaMinobenzidine

TETRAAMINOBIPHENYL

Biphenyl-3,3′,4,4′-tetrayltetraamin

3,3',4,4'-Biphenyltetramine, DAB

3,3'-Diaminobenzidine [for Biochemical Research]

Biphenyl-3,3 , 4, 4 -tetrayltetraamin (Salts of)

3,3',4,4'-Tetraaminobiphenyl DAB

[1,1'-biphenyl]-3,3',4,4'-tetraaMine

3，3-Diamonobenzidine

[1,1'-BIPHENYL]-3,3',4,4'-TETRAMINE

3,3'-DIAMINOBENZIDINE

3,3',4,4'-TETRAAMINOBIPHENYL

3,3',4,4'-TETRAAMINODIPHENYL

3,3',4,4'-BIPHENYLTETRAMIN

3,3',4,4'-BIPHENYLTETRAMINE

3,4,3',4'-TETRAAMINOBIPHENYL

biphenyl-3,3',4,4'-tetraamine

BIPHENYL-3,3',4,4'-TETRAMINE

DIAMINOBENZIDINE

DAB BUFFER

DAB

3,3',4,4'-Diphenyltetramine

3,3',4,4'-Tetraminobiphenyl

3,3’,4,4’-diphenyltetramine

3,3’-diaminobenzidene

3,3'

biphenyl-3,3,4,4-tetrayltetraamine

DAB (3.3'-DiaMinobenzidine) Biotechnology Grade

3,3'-Diaminobenzidine purum, >=98.0% (CHN)

SIGMAFAST? 3,3′-Diaminobenzidine tablets

3,3'-Diaminobenzidine Base

4-(3,4-Diaminophenyl)benzene-1,2-diamine

JACS-91-95-2

3,3'-Diaminobenzidine &gt

3,3'-Diaminobenzidine@100 μg/mL in Toluene

3,3'-Diaminobenzidine[forBiochemicalResearch]&gt

High purity 3,3'-Diaminobenzidine

3,3'-DIAMINOBENZIDINE 91-95-2

3,3'-Diaminobenzidine ISO 9001：2015 REACH

3,3-Diaminobenzidine, GR 99%

top 3,3'-Diaminobenzidine

3,3-Diaminobenzidine (DAB) pure, 98%

Diaminobenzidine,DAB

DAB (3,3'-Diaminobenzidine)

3,3'-Diaminobenzidine CAS

3,3'-Diaminobenzidine