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 >Analytical Chemistry>Standard>Pharmaceutical Impurity Reference Standards>2-Pyrrolidinone
2-Pyrrolidinone
  • 2-Pyrrolidinone
  • 2-Pyrrolidinone
  • 2-Pyrrolidinone
  • 2-Pyrrolidinone
  • 2-Pyrrolidinone

2-Pyrrolidinone

Price $500
Package 1KG
Min. Order: 1KG
Supply Ability: 50000kg/Month
Update Time: 2023-08-16

Product Details

Product Name: 2-Pyrrolidinone CAS No.: 616-45-5
Min. Order: 1KG Purity: >99%
Supply Ability: 50000kg/Month Release date: 2023/08/16

Article illustrationProduct Information


Density1.103
Boiling point250oC
Melting point25.5°C
Molecular formulaC4H7NO
Molecular weight85.104
Flash point138°C
Accurate mass85.052765
PSA29.10000
LogP-1.01
Vapor pressure0.1±0.8 mmHg at 25°C
Refractive index1.486-1.488


Article illustrationPackaging And Shipping

Article illustration


Article illustration



Article illustrationCompany Profile


Article illustration

Weijer International Trade(Hebei) Co., Ltd

is an enterprise located in Shijiazhuang, the capital of Hebei Province, China. We manufacture intermediates for several API’s falling under a wide range of therapeutic categories and also manufacture high-value fine chemicals & Specialty chemicals. Our products are sold all over the world (Europe, South America, North America, Southeast Asia, and Africa), and are highly praised by customers. Our company has reasonable prices and safe and efficient transporta -tion methods, and has a strict quality management system and high-quality after-sales service, to meet the product and purchasing needs of new and old customers. Weijier also supports product customization.

We look forward to working with new and old customers.




Article illustrationFAQ 

1. How will you deliver the goods?
We have strong cooperation with DHL, TNT, UPS, FEDEX, EMS, and China Air Post. For container products, we can do sea shipping. You also can choose your own shipping forwarder.

2. How to start orders or make payments?  
Proforma invoice will be sent first after confirmation of the order, enclosed our bank information. Payment by T/T, Western Union, L/C, Moneygram, BTC, Escrow.


3. How to contact us? 
 You can choose your interested products and send inquiry to us. You can chat with us via Trademanager, WhatsApp, and Skype Online. You can send us an email and you will receive our response.


4. How to confirm Product Quality before placing orders? 
 
You can get free samples for some products, you only need to pay the shipping cost or arrange a courier to us and take the samples. You can send us your product specifications and requests, we will manufacture the products according to your requests.


5. How long is the lead time?
We deliver goods within 3 days for small order and 7-10 days for bulk order.


6. Is there any discount?
Yes, for larger quantity, we always support with better price
.




Company Profile Introduction

-

You may like

Recommended supplier

Product name Price   Suppliers Update time
$10.00/25kg
VIP6Y
Hebei Weibang Biotechnology Co., Ltd
2024-10-31
$50.00/1KG
VIP4Y
Hebei Chuanghai Biotechnology Co,.LTD
2024-08-20
$10.00/1kg
Henan Bao Enluo International TradeCo.,LTD
2023-07-28
$0.00/25KG
VIP5Y
Hebei Mojin Biotechnology Co., Ltd
2022-07-14
$1.50/1g
VIP3Y
Shaanxi Didu New Materials Co. Ltd
2022-05-20
$3496.00/25g
VIP3Y
CLEARSYNTH LABS LTD.
2022-05-19
$10.00/1KG
Shanxi Naipu Import and Export Co.,Ltd
2021-10-26
$15.00/1KG
Zhuozhou Wenxi import and Export Co., Ltd
2021-06-26
$550.00/1KG
Hebei Minshang Biological Technology Co. LTD
2021-05-07
$3.00/200KG
VIP7Y
Hefei TNJ Chemical Industry Co.,Ltd.
2021-04-12
  • Since: 2017-04-05
  • Address: Room 1304, Gaozhu Building, No. 3 Commercial Building, No. 210, Zhonghua North Street, Xinhua Distri
INQUIRY
bruce
+86-15551193592
bruce@weijier.cn