Product Certification&
Enterprise Certification
Country: China (Mainland)
Business Type:Trading Company
Tel: 86-139-10575315
Tel: +86 15632961819
Tel: +86 18233902561
Tel: +86 15717685612
Tel: +86 16630923639
Tel: +86 18732968538
Tel: +86 18833033983
Tel: +86 19831957301
Mobile: +86 19831957301
Tel: 86-139-10575315
Fax: 4001020630
URL: https://www.nengqianchemical.com/
Province/state: Hebei
City: Handan
Street: Congtai District, La Defense North
MaxCard:
CAS NO.49851-31-2
Pharmaceutical grade(1-5)Metric TonPharmaceutical grade(6-99)Metric Ton
good producer best quality 49851-31-2 2-BROMO-1-PHENYL-PENTAN-1-ONE
2-Bromo-1-phenyl-1-pentanone is a white crystalline powder, a derivative of valerone. Can be used as pharmaceutical intermediates.
Preparation
At room temperature, add 16.2g (0.1mol) of phenylpentanone and 30.9g (0.3mol) of sodium bromide into a 500mL round-bottomed flask. After stirring evenly, add 24g (0.2mol) of 30% hydrochloric acid and drip slowly.
Add 19g (0.15mol) 30% hydrogen peroxide. After the dropping, continue the reaction for 1~2h. After the reaction is monitored by TLC, stop stirring, stand still for layering, wash with saturated sodium carbonate and saturated brine, and combine the organic phases. After concentration, it is dried over anhydrous magnesium sulfate to obtain 2-bromo-1-phenyl-1-pentanone, a bright yellow oily liquid, with a yield of 95% and a purity of 98% (HPLC method).
Our Service:
1. Fast Delivery: We can delivery within 24 hours upon receipt of your payment.
2. Quality can be promised. Hot sell to Worldwide.
3. Payment Terms: T/T,, t/t
4. Free Sample available at any time.
5. Tracking your order at any time. Inform your order's further new situation at any time.
6. Package: Professional packing with professional materials.
Our advantages:
1, Fast and safe delivery
1) Parcel can be sent out in 24 hours after payment.Tracking number available
2) Secure and discreet shipment.Various transportation methods for your choice.
3) Customs pass rate ≥99%
4) We have our own agent/remailer/distributor who can help us ship our products very fast and safe,
and we have stock in there for transferring.
2, High quality with competitive price:
1) Standard:BP/USP/EP/Enterprise standard
2) All Purity≥99%
3) We are manufacturer and can provide high quality products with factory price.