4,6-diamino-2-bromonicotinonitrile

Product Name: 4,6-diamino-2-bromonicotinonitrile
CAS No.: 42530-03-0
Chemical Name: 4,6-diamino-2-bromonicotinonitrile
Synonyms: 2-Bromo-3-cyano-4,6-diaminopyridine;2,4-diamino-5-cyano-6-bromopyridine;4,6-diamino-2-bromopyridine-3-carbonitrile;4,6-Diamino-2-bromo-3-pyridinecarbonitrile;3-Pyridinecarbonitrile, 4,6-diamino-2-bromo-
CBNumber: CB0912477
Molecular Formula: C6H5BrN4
Formula Weight: 213.03
MOL File: 42530-03-0.mol

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4,6-diamino-2-bromonicotinonitrile Property

Boiling point:: 503.5±50.0 °C(Predicted)
Density: 1.88±0.1 g/cm3(Predicted)
storage temp.: Keep in dark place,Inert atmosphere,Room temperature
pka: 2.11±0.48(Predicted)

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Safety

HazardClass: IRRITANT

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Hazard and Precautionary Statements (GHS)

Symbol(GHS)

Signal word

Danger

Hazard statements

H302Harmful if swallowed

H312Harmful in contact with skin

H315Causes skin irritation

H318Causes serious eye damage

H332Harmful if inhaled

H335May cause respiratory irritation

Precautionary statements

P261Avoid breathing dust/fume/gas/mist/vapours/spray.

P264Wash hands thoroughly after handling.

P264Wash skin thouroughly after handling.

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

P271Use only outdoors or in a well-ventilated area.

P280Wear protective gloves/protective clothing/eye protection/face protection.

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

P302+P352IF ON SKIN: wash with plenty of soap and water.

P304+P340IF INHALED: Remove victim to fresh air and Keep at rest in a position comfortable for breathing.

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

P310Immediately call a POISON CENTER or doctor/physician.

P312Call a POISON CENTER or doctor/physician if you feel unwell.

P321Specific treatment (see … on this label).

P322Specific measures (see …on this label).

P330Rinse mouth.

P332+P313IF SKIN irritation occurs: Get medical advice/attention.

P362Take off contaminated clothing and wash before reuse.

P363Wash contaminated clothing before reuse.

P501Dispose of contents/container to..…

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N-Bromosuccinimide Price

TRC

Product number: D415078
Product name: 4,6-Diamino-2-bromonicotinonitrile
Packaging: 100mg
Price: $60
Updated: 2021/12/16

AK Scientific

Product number: 3156AE
Product name: 4,6-Diamino-2-bromonicotinonitrile
Packaging: 5g
Price: $1009
Updated: 2021/12/16

Matrix Scientific

Product number: 038526
Product name: 4,6-Diamino-2-bromonicotinonitrile
Packaging: 500mg
Price: $126
Updated: 2021/12/16

Chemenu

Product number: CM125338
Product name: 4,6-diamino-2-bromonicotinonitrile
Purity: 95%
Packaging: 1g
Price: $190
Updated: 2021/12/16

Abosyn

Product number: 61-11017
Product name: 4,6-Diamino-2-bromonicotinonitrile
Purity: 95-98%
Packaging: 1g
Price: $200
Updated: 2021/12/16

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4,6-diamino-2-bromonicotinonitrile Chemical Properties,Usage,Production

Synthesis

109-77-3

42530-03-0

The general procedure for the synthesis of 4,6-diamino-2-bromo-3-cyanopyridine from malononitrile was as follows: HBr gas was bubbled into a mixture of malononitrile (16.3 g, 0.247 mol) and toluene (400 mL) for 2 hr at 0 °C, and a pale yellow precipitate was formed during the reaction. Subsequently, the reaction mixture was heated to 100 °C and maintained for 2 h, during which a large amount of gas production was observed. Upon completion of the reaction, it was cooled to room temperature and the yellow solid product was separated by diafiltration and washed with toluene and subsequently dried in air. The resulting solid (25.96 g) was mixed with water (500 mL) and the pH of the suspension was adjusted to 9-10 with NH4OH (~15 mL, concentration ~15%). the mixture was stirred at room temperature for 1 hr and the mixture was filtered. The product was purified by recrystallization from EtOH to give a yellow solid. Finally, it was dried in a vacuum oven at 60 °C to obtain 4,6-diamino-2-bromo-3-cyanopyridine (12.95 g, 49% yield). The structure of the product was confirmed by 1H NMR (DMSO): δ 6.67 (2H, brs), 6.55 (2H, brs), 5.59 (1H, s).

References

[1] Patent: US5654307, 1997, A
[2] Liebigs Annalen der Chemie, 1980, # 6, p. 946 - 953

4,6-diamino-2-bromonicotinonitrile Preparation Products And Raw materials

Raw materials

Preparation Products

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4,6-diamino-2-bromonicotinonitrile Suppliers

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42530-03-0