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Detail of "5910-89-4"

  • CAS Number:
  • 5910-89-4
  • Name:

  • 2,3-Dimethylpyrazine

  • Molecular Structure:
  • Formula:
  • C6H8N2
  • Molecular Weight:
  • 108.16
  • Synonyms:
  • Pyrazine, 2,3-dimethyl-;2,3-Dimethyl-1,4-diazine;FEMA No. 3271;2,3-Di Methyl Pyrazine;
  • EINECS:
  • 227-630-0
  • Density:
  • 0.997 g/cm3
  • Melting Point:
  • 11-13 °C
  • Boiling Point:
  • 158.1 °C at 760 mmHg
  • Flash Point:
  • 54.4 °C
  • Appearance:
  • clear yellow to orange liquid
  • Hazard Symbols:
  • HarmfulXn, FlammableF, IrritantXi
  • Risk Codes:
  • 10-22-37/38-41
  • Safety:
  • 16-26-39 Details
  • Transport Information:
  • UN 1993 3/PG 3
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CAS No.5910-89-4 2,3-Dimethylpyrazine

Assay:98℅  Appearance:Inqury  Package:100g,500g,23...

Supplier:Shanghai DEMO Medical Tech Co.,Ltd [ China (Mainland)]

Platinum
Supplier 1269Integral
1269

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CAS No.5910-89-4 2,3-Dimethylpyrazine

Synonyms :2,3-Dimethyl pyrazine; 2,3-Dimethyl-1,4-diazine Molecular Formula :C6H8N2 Molecular Weight :108.14 EINECS :227-630-0 FEMA :3271 Density :1.02 Melting point :11-13 oC Boiling point :156 oC Refractive index :1.506-1.508 Flash point :54 oC Characteristic

Supplier:Zouping Mingxing Chemical Co.,Ltd. [ China (Mainland)]

Platinum
SupplierManufacturer 2185Integral
2185

Tel:86-543-4350217

Address:428 Daixi Third Road Zouping County Shandong Province China

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CAS No.5910-89-4 2,3-Dimethylpyrazine

Assay:98%  Appearance:Light yellow...

Supplier:Taiyuan RHF CO., ltd. [ China (Mainland)]

Platinum
Supplier 2160Integral
2160

Tel:0351-7436719

Address:Shuangta South Alley 46,2-1, YingZe Area,Taiyuan, ShanXi

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CAS No.5910-89-4 2,3-Dimethylpyrazine

Assay:99%

2,3-Dimethyl Pyrazine

Supplier:Jiaxing Barton Chemicals [ China (Mainland)]

Platinum
Supplier 1515Integral
1515

Tel:+86-573-82719618

Address:No. 162 Fumin Road, Honghe Town,

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CAS No.5910-89-4 2,3-Dimethylpyrazine

Assay:98%

Supplier:Hangzhou Dayangchem Co., Ltd. [ China (Mainland)]

Platinum
SupplierISO 3875Integral
3875

Tel:+86-571-88938639

Address:B/2601 Fuli Building, 328# WenEr Rd. Hangzhou City 310012 China

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CAS No.5910-89-4 2,3-Dimethylpyrazine

Assay:99.0% Min.

Supplier:ORCHID CHEMICAL SUPPLIES LTD (OCS) [ China (Mainland)]

Platinum
Supplier 1515Integral
1515

Tel:+86-571-85395792

Address:607, North Zhongshan Road, Hangzhou 310000 China

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CAS No.5910-89-4 2,3-Dimethylpyrazine

Supplier:Jinan Haohua Industry CO., LTD [ China (Mainland)]

Platinum
Supplier 920Integral
920

Tel:0086-531-58773055

Address:NO.59 Gongye South Road

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CAS No.5910-89-4 2,3-Dimethylpyrazine

Supplier:Shijiazhuang JuSha Imp. & Exp. Co., Ltd [ China (Mainland)]

Platinum
Supplier 910Integral
910

Tel:86-311-89877166

Address:Room 307, XinCheng Building, No. 351 YouYi Street, Shijiazhuang, China

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CAS No.5910-89-4 2,3-Dimethylpyrazine

Assay:99%  Package:1KG,5KG and ...

Product:2,3-Dimethylpyrazine

Supplier:Taizhou Chemedir Biopharm-tech Co., Ltd [ China (Mainland)]

Silver
Supplier 970Integral
970

Tel:+86 523 86200218

Address:G09, No. 1 Avenue China Medical City, Taizhou,Jiangsu, China

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CAS No.5910-89-4 2,3-Dimethylpyrazine

2,3-dimethyl pyrazine

Supplier:Shenzhen Nexconn Pharmatechs Ltd [ China (Mainland)]

Silver
Supplier 1325Integral
1325

Tel:+86-755-85520082 85520083

Address:Bldg. 2, Bio-Industrial Park, High-Tech 1 Road, Nan Shan Dist.

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CAS No.5910-89-4 2,3-Dimethylpyrazine

AROMA

Supplier:Shanghai Conson Industrial Co., Ltd . [ China (Mainland)]

Silver
Supplier 2460Integral
2460

Tel:8621 3392 6682

Address:Room 1907, Yishengge, No.547 Tianmu Road(W), Shanghai 200070, P. R. China

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CAS No.5910-89-4 2,3-Dimethylpyrazine

2,3-Dimethylpyrazine

Supplier:Fortune Group Corp. Limited [ China (Mainland)]

610Integral
610

Tel:+8613402129955

Address:RM 53-303, No.299, Xinzheng Road, Shanghai 230022 China

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CAS No.5910-89-4 2,3-Dimethylpyrazine

DOSAGE:0.5-10 CONTENT:≥99%

Supplier:TENGZHOU YUANTONG AROMA CHEMICALS CO.,LTD [ China (Mainland)]

560Integral
560

Tel:(86)0632-5051878

Address:Shandong Province clears out the state East City

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CAS No.5910-89-4 2,3-Dimethylpyrazine

2,3Dimethyl pyrazine

Supplier:novel organic industries [ India]

132Integral
132

Tel:+91-9420601593

Address:C-39,street no.3 awadhan,MIDC,DHULE.pin-424311

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CAS No.5910-89-4 2,3-Dimethylpyrazine

Clear colourless liquid with fresh nutty, green type of note. Assay 99.00% min.

Supplier:Mohnish Chemicals Pvt. Ltd. [ India]

90Integral
90

Tel:+91-020-64101990

Address:S. No. 29/3, Plot No. 19 & 20, Kharadi, Pune - 411014, India

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CAS No.5910-89-4 2,3-Dimethylpyrazine

Supplier:Pyrazine Specialties [ United States]

600Integral
600

Tel:(404) 524-6744

Address:792 Windsor St. S.W., P.O. Box 6933, Atlanta, GA 30315, USA,

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CAS No.5910-89-4 2,3-Dimethylpyrazine

Supplier:Wirtz-Chemieprodukte GmbH [ Germany]

600Integral
600

Tel:+49 (0) 20 56 / 98 33-0

Address:42579 Heiligenhaus

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CAS No.5910-89-4 2,3-Dimethylpyrazine

Supplier:HBCChem, Inc. [ United States]

600Integral
600

Tel:510-219-6317

Address:Union City, CA 94587, USA

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CAS No.5910-89-4 2,3-Dimethylpyrazine

Supplier:Qingdao United International Inc. [ China (Mainland)]

610Integral
610

Tel:86-532-83891505

Address:18/F,Huaren International Building,2A Shandong Road

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Reference

Sweet corn aroma and flavor enhancement
Sweet corn aroma and flavor enhancement. Ishii, Toshio (Kunoru Shokuhin Co., Ltd., Japan). Japan. JP 52024580 B4 1 Jul 1977 Showa, 2 pp. (Japanese). (Japan). CODEN: JAXXAD. CLASS: IC: A23L001-10. APPLICATION: JP 73-70785 25 Jun 1973. DOCUMENT TYPE: Patent CA Section: 17 (Foods) Sweet corn aroma and flavor were enhanced by adding a mixt. contg. Me2S or Me2S-producing compds., .alpha.- [127-41-3] and .beta.-ionone [14901-07-6], 2,5- [123-32-0], 2,6- [108-50-9], and 2,3-dimethylpyrazine [5910-89-4], and a .delta.-lactone. Thus, a mixt. of EtOH 35.0, BuOH 17.7, hexanal 14.0, .alpha.-ionone 1.1, .beta.-ionone 0.7, D-limonene 3.5, 2.5-dimethylpyrazine 3.5, 2,6-dimethylpyrazine 3.5, 2,3-dimethylpyrazine 3.5, and .delta.-undecalactone [710-04-3] 17.5 parts was added to sweet corn flour at 1-5 ppm and to this was added a sep. prepd. mixt. of 0.1% methylmethioninesulfonium chloride [1115-84-0] and 0.04% NaHCO3. Corn soup was prepd. from the mixt. and 75% of the taste panel noticed marked improvement in aroma and flavor.
Investigation of pyrazine formation pathways in glucose-ammonia model systems
Investigation of pyrazine formation pathways in glucose-ammonia model systems. Shibamoto, Takayuki; Bernhard, Richard A. (Dep. Food Sci. Technol., Univ. California, Davis, Calif., USA). Agric. Biol. Chem., 41(1), 143-53 (English) 1977. CODEN: ABCHA6. DOCUMENT TYPE: Journal CA Section: 17 (Foods) Model systems of D-glucose [50-99-7] and NH3 with metal ions, oxygen, antioxidants, and NaOH were reacted at 100.degree. (soln. temp.) for 2.apprx.18 h to investigate pyrazine [290-37-9] formation pathways. Pyrazines identified in these model systems were unsubstituted-, 2-methylpyrazine [109-08-0], 2,5-dimethylpyrazine [123-32-0], 2,6-dimethylpyrazine [108-50-9], 2-ethylpyrazine [13925-00-3], 2,3-dimethylpyrazine [5910-89-4], 2-ethyl-5-methylpyrazine [13360-64-0], 2-ethyl-6-methylpyrazine [13925-03-6], 2,3,5-trimethylpyrazine [14667-55-1], 2-ethyl-3-methylpyrazine [15707-23-0], 2-vinylpyrazine [4177-16-6], 2-ethyl-3,5-methypyrazine [13925-07-0], 2-ethyl-3,6-dimethylpyrazine [13360-65-1], and ethylvinylpyrazine [59094-70-1]. Results show that .alpha.Several substances with their cas registry numbers 108-50-9 and 109-08-0 may be metioned in this study.-amino carbonyl compds. acted as intermediates to form various pyrazines. For example, 2-methylpyrazine may be formed from the condensation of .alpha.-amino-.alpha.-hydroxy acetaldehyde [62163-52-4] and .alpha.-amino acetone [298-08-8] following the elimination of a water mol. It was proposed that the formation of a pyrazine ring from dihydropyrazine was due to the dehydration of hydroxy dihydropyrazine rather than the dehydrogenation of dihydropyrazine. This explains the formation of an alkyl group (e.g., an E group) from the sugar moiety. Ten .alpha.-amino carbonyl intermediates were proposed from the alkylpyrazines which were obtained, and their formation schemes were discussed. .
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