一二三四区视频,亚洲少妇熟女色,日本久热无码视频网,欧美国产日韩大尺度,亚洲a视频,久久少妇一区二区,日韩999无码视频,刺激久久久久久久,啊啊啊啊不要啊在线

Welcome to chemicalbook!
+1 (818) 612-2111
RFQ
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 in stock 542-28-9 5-valerolactone Tetrahydro-2H-2-pyranon 542-28-9
delta-Valerolactone in stock 542-28-9 5-valerolactone Tetrahydro-2H-2-pyranon 542-28-9
  • delta-Valerolactone in stock 542-28-9 5-valerolactone Tetrahydro-2H-2-pyranon 542-28-9

delta-Valerolactone in stock 542-28-9 5-valerolactone Tetrahydro-2H-2-pyranon 542-28-9

Price $12.5
Package 25KG
Min. Order: 1KG
Supply Ability: 32.00MT per month
Update Time: 2020-06-02

Product Details

Product Name: delta-Valerolactone in stock 542-28-9 5-valerolactone Tetrahydro-2H-2-pyranon 542-28-9 CAS No.: 542-28-9
Min. Order: 1KG Purity: 99.5% in stock
Supply Ability: 32.00MT per month Release date: 2020/06/02
delta-Valerolactone: CAS 542-28-9 Contact person: Ms Ella manager
mailbox: chemwill_asia@126.com;chemwill@hotmail.com 5-valerolactone: CAS 542-28-9

Product no. chemwillDAVTE91056

 

delta-Valerolactone Manufacturer High quality Best price In stock factory 542-28-9 5-valerolactone  Tetrahydro-2H-2-pyranon 542-28-9

delta-Valerolactone CAS 542-28-9

 

 

δ-Valerolactone is a lactone used as a chemical intermediate in processes such as the production of polyesters.


Product Name:    delta-Valerolactone
Synonyms:     Tetrahydro-2H-2-pyranone delta-Valerolactone, 2-Oxotetrahydro-2H-pyran;Tetrahydro-2H-pyran-2-one 99%;delta-Valerolactone, 99% 50GR;^d-Valerolactone, 98%, May contain polyMer;delta-Valerolactone technical grade;δ-Valerolactone, 98.5%, 98.5%;δ- valerolactone (cyclopentyl lactone);delta-Valerolactone, 5-Hydroxypentanoic acid lactone; delta-Pentanolactone; Tetrahydropyran-2-one; δ-valerolactone; Tetrahydro-2H-2-pyranone; tetrahydro-2H-pyran-2-one; DVL

 

CAS:    542-28-9
MF:    C5H8O2
MW:    100.12
EINECS:    208-807-1

Density:     1.065g/cm3
Melting Point(℃):     -13℃
Boiling Point(℃):     218°C at 760 mmHg
Flash Point(℃):     81°C
refractive_index:     1.44

Appearance & Physical State     clear colorless to pale yellow liquid
Density     1.079
Boiling Point     230-60ºC
Melting Point     -13ºC
Flash Point     112ºC
Refractive Index     1.456-1.459
Water Solubility     miscible
Storage Condition     2-8ºC
Vapor Density     3.45 (vs air)
Safety Info
RTECS     LU3580000
Safety Statements     S26-S39
HS Code     2932999099

 

highly quality and immedaite delivery

 

Company Profile Introduction

Over 30 years experience in the chemical industry, Chemwill Asia Industrial co.,Ltd is one of the leading GMP complied manufacturer of Organic compounds in CHINA. Our main production base is located in Jiangsu province. We produce a wide range of organics including Active pharmaceutical ingredients(APIs), Veterinary, Indole derivatives, Aromatics, Fluorine, Boronic acids, organocatalysts, chiral building blocks, heterocyclic compounds. We are certified both to the ISO 9001 and ISO 14001 Standards, have a safety management system in place. Our advantageous business including: - Intermediate using for Pharmaceuticals - Active ingredient for Pharmaceutical and animal health (Human APIs and Veterinary APIs) - Fluorine, boronic acids, unnatural amino acids, cross linkers,chiral building blocks - Intermediate using for advanced performance materials - Monomer & polymers, high performance, photosensitive and specialty chemicals - Electro chemical materials(Lithium Battery, Photoresist, semiconductor, IT-related chemicals) * Custom synthesis from the laboratory scale to commercial production. * Contract research, custom manufacturing and contract-manufacture Ms Ella Lee - Deputy Sales Manager Phone: +86 -21-51086038 Email: chemwill_asia@126.com;chemwill@hotmail.com To learn more about our factory, PLS visit: www.chemwill.com

Recommended supplier

Product name Price   Suppliers Update time
VIP3Y
Qingdao RENAS Polymer Material Co., Ltd.
2026-06-03
$5.00
VIP5Y
Hebei Chuanghai Biotechnology Co,.LTD
2026-05-28
$29.00
VIP6Y
TargetMol Chemicals Inc.
2026-05-27
$5.00
VIP8Y
Jinan Finer Chemical Co., Ltd
2026-05-21
$25.00
VIP6Y
NEM MATERIALS CO.,LTD
2026-05-14
$10.00
Hebei Chuanghai Biotechnology Co., Ltd
2026-03-20
VIP2Y
Shaanxi Dideu New Materials Co. Ltd
2025-12-17
$1.00
VIP7Y
Shaanxi Dideu Medichem Co. Ltd
2025-12-12
$5.00
VIP3Y
Henan Fengda Chemical Co., Ltd
2025-09-25
Hebei Chuanghai Biotechnology Co., Ltd
2025-06-27
  • Since: 2004-09-01
  • Address: BLDG 9,No.235 Sanlin road,Pudong new district,Shanghai,China
INQUIRY
铜山县| 阿瓦提县| 杭锦后旗| 陵川县| 灵台县| 岚皋县| 建昌县| 大渡口区| 庆阳市| 蓬莱市| 神农架林区| 开封县| 罗山县| 射阳县| 兰考县| 南涧| 大足县| 绵阳市| 穆棱市| 乐亭县| 大理市| 南华县| 东源县| 宜昌市| 资溪县| 集安市| 沈阳市| 灵丘县| 社旗县| 灌云县| 武威市| 铜梁县| 栾城县| 合川市| 芮城县| 盐源县| 项城市| 双柏县| 阜平县| 辰溪县| 凌云县|