(E)-1,4-Dibromobut-2-ene

Specs:
Appearance:White fine powder 
Odor:Characteristic
Assay(on anhydrous basis)(Resveratrol,HPLC ):98.0%min
Sieve analysis:NLT 95% pass 80 mesh
Loss on Drying:3.5%max
Residue on Ignition:1.0%
Ex...

Specs:
Appearance:Whtie powder
Assay:99%min
Loss on drying:0.5%max
Residue on igntion:0.1%max

Specs:

BPV98 Grade

Appearance:White or pale yellow crystalline powder

Assay:98~101%

Loss on drying:0.5% max

Sulphate ash:0.1% max

Mp:262~267deg.C

TLC:0.5% max

PH:4.0 to 5.5

LEAPCHEM Provides wide range of Laboratory chemicals&Industrial materials products which includes 1,8-Diazabicyclo[5.4.0]undec-7-ene 99%min. Packing Unit: 500. Contact us for more information.

Appearance:White or off-white crstalline powder Purity(HPLC):99.0%min. Assay(Titration By NaOH):98% to 102% Specific rotation(C=1,MeOH):-136 to -140deg Melting point:168 to 171℃ Water content:0.5%max.

LEAPCHEM Provides wide range of Herbal Extracts products which includes (-)-Epigallocatechin gallate CP2010. Packing Unit: 100g. Contact us for more information.

LEAPCHEM Provides wide range of Herbal Extracts products which includes (-)-Gallocatechin 98%min (HPLC). Packing Unit: 20mg. Contact us for more information.

Appearance:White crystals Loss on drying:0.5%max TPP residue:50ppm max Assay(HPLC):99.5%min

Appearance:colorless liquid Purity:99%min.

LEAPCHEM Provides wide range of APIs & Intermediates products which includes 2-Methylindoline 99%min. Packing Unit: 100g. Contact us for more information.

Appearance:Slightly yellow to clear liquid Assay:99.5%min Optical Purity:99.75%min Loss on drying:0.30%max Chroma(Pt-Co),Hazen:30max

LEAPCHEM Provides wide range of Laboratory chemicals&Industrial materials products which includes 3-(N,N-Dimethylmyristylammonio)propanesulfonate 99%min. Packing Unit: 100g. Contact us for more information.