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 > Inorganic_chemicals > Tris(hydroxymethyl)aminoethane

Tris(hydroxymethyl)aminoethane

Inquiry
  Post Date: Apr 12,2025
  Expiry Date: Oct 09,2025
  Detailed Description: Cas No. :77-86-1

Molecular Formula: C4H11NO3
CAS NO.: 77-86-1
HS Code:2922199090
UN No. : 1500
Property: White crystal, melting point: 168-171 ℃, soluble in organic solvents such as methanol and acetic acid.

Usage: Biological buffer, organic synthesis intermediate, cosmetic raw materials, pharmaceutical excipients, etc

Level: Pharmaceutical grade, cosmetic grade, reagent grade, industrial grade

Packaging: cardboard barrels lined with plastic bags, with a net weight of 25 kilograms per barrel.

Tests Specifications Results
Appearance White crystalline powder Conforms
Assay ≧99.5% 99.95
MP,℃ 168-171 168.3-170.3
Solubility(40%aq.)  Clear,coloriess solution Conforms
 Heavy  Metala ≤5PPM Conforms
Water Content% ≤0.2% 0.16
PH value(5%aq.) 10.0-11.5 11.01
Iron ion ≤1PPM Conforms
(SO?²¯)Sulfate ≤ 10PPM Conforms
(CL¯)Chloride ≤ 3PPM Conforms
 Infrared spectrum Confirm to reference Conforms
Ultraviolet absorbance 260nm(20%aq.) ≤0.07 0.035
280nm(40%aq.) ≤0.07 0.055
400nm(40%aq) ≤0.02 0.012
290nm(40%aq) ≤0.05 0.049
 Conclusion  It meets the requirements of specifications

  CAS Registry Number:

77-86-1

  Synonyms: ;2-Amino-2-hydroxymethyl-1,3-propanediol;TRIS;Tromethamine;Tromethane;tris(hydroxyme.)aminomethane;trizma base;Trometamol;tri(hydroxymethyl)methylamine;Tris(hydroxymethyl) methylamine Tris buffer 99.8+ %;Trihydroxymethyl Aminomethane;Tris, Ultra Pure;Tris, Tissue Culture Tested Tris(hydroxymethyl)aminomethane, Tissue Culture Tested;Tris, Alcohol Free Tris(hydroxymethyl)aminomethane, Alcohol Free;Tris(hydroxymethyl)aminomethane, Ultra Pure, Molecular Biology Grade;Tris EDTA acetate buffer;THAM;Trimethanolaminomethane;Tri(hydroxymethyl)aminomethane;Tris(hydroxymethyl)aminomethane;2-Amino-2-(hydroxymethyl)-1,3-propanediol;Tris hydroxyl methyl amino methane;2-amino-2-(hydroxymethyl)propane-1,3-diol;1,3-dihydroxy-2-(hydroxymethyl)propan-2-aminium;(methylamino)methanetriol;Tris(hydroxymethyl) aminomethane;Tris(hydroxymethyl)amino methane;Tris Base;
  Molecular Formula: C4H11NO3
  Molecular Weight: 121.14
  Molecular Structure: 77-86-1 Tris(hydroxymethyl)aminoethane
  Hazard Symbols:  Xi:Irritant;
  Risk Codes: R36/37/38:;
  Safety Description: S26:;
S37/39:;

  Company: Shandong Weigorge Import and Export Co., Ltd.     [ China ]          
  Contact: Lisa
  Tel: +86-15964906276;+86-1895366515
  Fax: +86-536-2101017
  Email: sales@weixiachemical.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: 平湖市| 庆安县| 北海市| 长武县| 辉南县| 北安市| 定西市| 龙胜| 祁阳县| 尼木县| 铁岭县| 安庆市| 罗平县| 镇平县| 积石山| 淄博市| 敦化市| 乐都县| 常熟市| 清徐县| 梁山县| 广安市| 邮箱| 望都县| 伊金霍洛旗| 安义县| 内乡县| 株洲县| 保靖县| 方城县| 鄂尔多斯市| 西和县| 阳春市| 深水埗区| 土默特左旗| 泌阳县| 富民县| 布拖县| 石阡县| 泸水县| 西昌市|