成人免费xx,国产又黄又湿又刺激不卡网站,成人性视频app菠萝网站,色天天天天

Welcome to chemicalbook!
+1 (818) 612-2111
Inquriy
Try our best to find the right business for you.
Do not miss inquiry messages Please log in to view all inquiry messages.

Welcome back!

RFQ
skype
MY Account
Top
Postion:Product Catalog >Chemical Reagents>Organic reagents>Esters>Lactones>Delta-Valerolactone
Delta-Valerolactone
  • Delta-Valerolactone
  • Delta-Valerolactone
  • Delta-Valerolactone

Delta-Valerolactone NEW

Price $1
Package 1kg
Min. Order: 1kg
Supply Ability: 20tons
Update Time: 2024-02-27

Product Details

Product Name: Delta-Valerolactone CAS No.: 542-28-9
Min. Order: 1kg Purity: 99%
Supply Ability: 20tons Release date: 2024/02/27
delta-Valerolactone Basic information
Description Uses Preparation

Product Name:
delta-Valerolactone
Synonyms:
2-Oxotetrahydro-2H-pyran;Tetrahydro-2H-pyran-2-one 99%
CAS:
542-28-9
MF:
C5H8O2
MW:
100.12
EINECS:
208-807-1
Mol File:
542-28-9.mol
delta-Valerolactone Chemical Properties
Melting point
-13 °C
Boiling point
230 °C
density
1.105 g/mL at 20 °C
vapor density
3.45 (vs air)
vapor pressure
8.8Pa at 20℃
refractive index
n20/D 1.457(lit.)
Fp
212 °F
storage temp.
-20°C
solubility
Chloroform, Ethyl Acetate, Methanol
form
Liquid
color
Clear colorless to pale yellow
Water Solubility
miscible
BRN
106436
Stability:
Moisture Sensitive
LogP
0 at 23℃
CAS DataBase Reference
542-28-9(CAS DataBase Reference)
NIST Chemistry Reference
2H-Pyran-2-one, tetrahydro-(542-28-9)
EPA Substance Registry System
2H-Pyran-2-one, tetrahydro- (542-28-9)


Company Profile Introduction

Xinxiang Hongqi District Houyuan Trading Co.,Ltd. Our company was founded in 2011 and located in the high tech Development Zone of Xinxiang City, Henan Province. We are specializing in the research and industrialization of APIs and intermediates, biomedical research and R & D outsourcing. Our main products include: Meldrum's acid, Mono-4-nitrobenzyl malonic acid ester, p-Nitrobenzyl 2-diazoacetoacetate,Malonic acid, 4-Methyl-benzenesulfonyl azid, 4-Nitrobenzyl alcohol, 2-Methylsulfonyl-4,6-dimethoxypyrimidine and so on. The quality of our products all meets international standards, like JP, USP-NF EP etc. as well as customized pharmaceutical chemicals and intermediates according to customer requirements. Our company has R & D center and quality inspection center, And we have HPLC, GC, moisture tester, ultraviolet absorption luminosity tester and melting point resting equipment, and other related equipment to ensure the quality of products. In recent years, according to the different requirements of the international market, the company has been developing and producing electronic chemicals, fine chemicals and other industrial products, which are widely used in medicine, electronics, environmental protection, plastics, daily chemicals and other fields. More than 70% of the company's products are sold to more than 30 countries and regions around the world (Japan, Southeast Asia, EU and other countries), and it has established a long-term stable supply and demand relationship with several chemical 500 giant enterprises. Houyuan Trading always adheres to the business philosophy of "good faith management, quality first, customer first, win-win cooperation". With excellent quality and reasonable price, we are dedicated to providing satisfactory products and services for customers at home and abroad.

You may like

Recommended supplier

Product name Price   Suppliers Update time
$53.00/500mg
VIP5Y
TargetMol Chemicals Inc.
2024-10-31
$0.00/1KG
VIP3Y
Hebei Weibang Biotechnology Co., Ltd
2024-10-30
$5.00/1KG
VIP4Y
Hebei Chuanghai Biotechnology Co,.LTD
2024-08-23
$0.00/25kg
VIP1Y
Hebei Mojin Biotechnology Co.,Ltd
2024-05-24
$180.00/1kg
VIP1Y
Hebei Zhuanglai Chemical Trading Co.,Ltd
2024-05-17
$5.00/1KG
VIP1Y
Henan Fengda Chemical Co., Ltd
2024-04-16
$100.00/1drum
Hebei Fengqiang Trading Co., LTD
2023-09-13
$25.00/1kg
Henan Bao Enluo International TradeCo.,LTD
2023-08-15
$0.00/25KG
VIP5Y
Hebei Mojin Biotechnology Co., Ltd
2023-06-20
$5.00/200KG
VIP6Y
Jinan Finer Chemical Co., Ltd
2023-06-15
  • Since: 2011-07-27
  • Address: Room 1706, Oriental Pearl Tower, Jinsui Avenue, Hongqi District, Xinxiang City, Henan Province,China
INQUIRY
程春莉
+86-13937349994
HYJM@houyuanjm.com