潘金莲被吸乳揉到高潮的视频,久久99久久99精品免观看,在电影院里拨开内裤挺进,护士交换粗吟配乱大交动态图

Home > Offer to Sell > Catalyst_and_Auxiliary > Catalyst > 4-dimethylaminopyridine

4-dimethylaminopyridine

Inquiry
  Post Date: Jul 07,2025
  Expiry Date: Jan 03,2026
  Detailed Description: Cas No. :1122-58-3 Commodity: 4-dimethylaminopyridine
CAS #:1122-58-3
Molecular Formula:C7H10N2
Molecular weight:122.17
Structural Formula:

Use: Widely used in a universal super nucleophilic acylation catalyst, use of the amino group and a hydroxyl group in the hydrogen is replaced by an acyl group, and the amino group and a hydroxyl group protected, and this characteristic is used to improve the yield and reaction time is shortened, easing the reaction time and improve the process conditions. Widely used in the field of spices, dyes, pigments, pesticides, pharmaceuticals and polymer compound
Specification:

Item Standard

Appearance
White crystals

Melting point
109-111℃

Loss on drying
≤0.5%

Purity
99.5%


[BACK]


  CAS Registry Number:

1122-58-3

  Synonyms: ;4 dimethylamino pyridine;N,N-Dimethyl-4-pyridinamine;4-(Dimethylamino)pyridine;p-Dimethylaminopyridine;gamma-(Dimethylamino)pyridine;4-Dimethyl amino pyridine;4-(dimethylamino)-pyridin;4-Dimethylaminepyridine;N,N-Dimethyl-4-aminopyridine;n,n-dimethyl-4-pyridinamin;Pyridine, 4-(dimethylamino)-;AURORA KA-6495;26DCLPY;4-(Dimethylamino)pyridine, 99%, prilled;4-(DIMETHYLAMINO)PYRIDINE SOLUTION;4-(Dimethylamino)pyridine, ReagentPlus;N,N'-DIMEHTYL-4-PYRIDINAMINE;4-(Dimethylamino) PyridineForSynthesis;4-N,N-Dimethylaminopyridine;N,N-dimethylpyridin-4-amine;4-dimethylamino pyridine;DMAP;N,N-dimethylpyridin-2-amine;4-(dimethylamino)pyridinium;4dimethylaminopyridine;4-dimethylamiopryidine;Dimethyl-pyridin-4-yl-amine;Dimethyl-pyridin-4-yl-amine(DMAP);N-(4-Pyridyl)dimethylamine;
  Molecular Formula: C7H10N2
  Molecular Weight: 122.1698
  Molecular Structure: 1122-58-3 4-Dimethylaminopyridine
  Hazard Symbols:  T:Toxic;
  Risk Codes: R24/25:;
R34:;
  Safety Description: S26:;
S28A:;
S36/37/39:;
S45:;

  Company: HEBEI MEDIPHARM CO.,LTD.     [ China ]          
  Contact: SHI XIAOMING
  Tel: 0311-86032913 86136565
  Fax:
  Email: shixm@hbmedipharm.com
Disclaimer statement:The information and data included above have been realized by the enterprises and compiled by the staff, and are subject to change without notice to you. The Chemnet makes no warranties or representations whatsoever regarding the facticity, accuracy and validity of such information and data. In order to ensure your interest, we suggest you chose the products posted by our gold suppliers or VIP members.
主站蜘蛛池模板: 青川县| 平南县| 阜城县| 晋城| 临沧市| 亚东县| 衡东县| 南皮县| 宜宾市| 师宗县| 永昌县| 得荣县| 南安市| 大港区| 呼伦贝尔市| 南投县| 秦皇岛市| 永济市| 和龙市| 鄂伦春自治旗| 保定市| 西藏| 乌鲁木齐县| 泰宁县| 涞源县| 巫山县| 庄浪县| 昭觉县| 五河县| 庄河市| 南溪县| 阿拉善左旗| 廊坊市| 黄石市| 五原县| 九龙城区| 洛川县| 孝感市| 铁岭市| 河源市| 密山市|