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5-Bromo-2-Methylaniline | 39478-78-9
Khoom Specification: Yam khoom 5-Bromo-2-Methylaniline Cov ntsiab lus (%)≥ 99 Melting Point 33 ° C Qhov ntom 1.49 g / mL Flash Point> 230 ° F Cov Khoom Muag: Organic synthesis intermediate. Daim ntawv thov: Organic synthesis intermediate. Pob: 25 kgs / hnab los yog raws li koj thov. Cia: Khaws ntawm qhov chaw muaj cua, qhuav. Executive Standard: International Standard. -
4-Oxopiperidinium Chloride | 41979-39-9
Khoom Specification: Yam khoom 4-oxopiperidinium chloride Cov ntsiab lus (%) ≥ 99 Boiling Point 175.1 ℃ ntawm 760mmHg Ceev 1.001g/cm3 Precision Quality 135.045090 Flash Point 84.6 ℃ Cov lus piav qhia: 4-Oxopiperidinium Chloride tseem ceeb heev rau cov tshuaj tua kab mob tshuaj additives. Daim ntawv thov: 4-Oxopiperidinium Chloride yog ib qho tseem ceeb nruab nrab ntawm cov tshuaj, tshuaj tua kab thiab lwm yam tshuaj additives. Pob: 25 ... -
4-Phenylphenol | 92-69-3
Khoom Specification: Yam khoom 4-Phenylphenol Cov ntsiab lus (%) ≥ 99 Melting Point (℃) ≥ 164-166 ° C Ceev 1.0149 PH 7 Flash Point 330 °F Cov Khoom Muag: P-Hydroxybiphenyl yog siv los ua cov tshuaj zas, resin thiab roj hmab intermediates. P-Hydroxybiphenyl synthesized liab teeb-txhim kho; ntsuab lub teeb-txhim kho dye yog ib qho ntawm cov khoom siv tseem ceeb rau cov yeeb yaj kiab xim, kuj siv los ua cov tshuaj analytical reagent. Colorimetric txiav txim siab ntawm acetaldehyde thiab lactic acid, quantitati ... -
N-Methyl-2-pyrrolidone (NMP) | 872-50-4 : kuv
Khoom Specification: Cov Khoom Siv Hluav Taws Xob Qib Muaj Qib General Qib Cov Ntsiab Lus Tseem Ceeb (%) ≥99.9 ≥99.8 ≥99.8 Moisture(%) ≤0.02 ≤0.05 ≤0.05 Xim ≤10 ≤15 ≤15 Ceev (g / ml) 1.029 ~ 1.035 ~ 1.029 ~ 1.035 1.029 ~ 1.035 Refractive Index (ND20) 1.467-1.471 Dawb Amine (Monomethylamine) wt% 0.003 0.01 – PH Tus Nqi 7-9 7-10 – Γ-Butyrolactone(GC, wt%) ≤0.5MP Khoom Description: ≤0.105 ) yog pola... -
Phenethyl cawv | 60-12-8 : kuv
Product Specification Ib cov kua uas tsis muaj xim nrog ib lub rose aroma. Soluble nyob rau hauv ethanol, ether, glycerol, me ntsis soluble nyob rau hauv dej, me ntsis soluble nyob rau hauv ntxhia roj. Khoom Piav Qhia Yam Khoom Sab Hauv Tus Txheej Txheem Melting point -27 ℃ Boiling point 219-221 ℃ Density 1.020 Solubility 20g/L Daim ntawv thov dav siv los npaj cov ntsiab lus rau xab npum thiab tshuaj pleev ib ce. Nws yog siv rau txhua hnub tshuaj lom neeg thiab cov khoom noj khoom haus, thiab dav siv rau kev npaj xab npum thiab tshuaj pleev ib ce essence. Artificial Rose... -
Trans-4- Hydroxycinnamic Acid | 501-98-4 ib
Khoom Piav Qhia Yam Khoom Sab Hauv Tus Txheej Txheem Melting point 214 ℃ Boiling point 231.6 ℃ Density 1.1403 Solubility ethanol: 50 mg/mL Application Siv los ua ib qho nruab nrab hauv kev lag luam tshuaj thiab txuj lom. Siv los ua ib qho nruab nrab hauv rodenticides. Pob: 25 kgs / hnab los yog raws li koj thov. Cia: Khaws ntawm qhov chaw muaj cua, qhuav. Executive Standard: International Standard. -
Trans-Cinnamic Acid | 140-10-3 ib
Khoom Piav Qhia Yam Khoom Sab Hauv Tus Txheej Txheem Melting point 133 ℃ Boiling point 300 ℃ Density 1.248 Solubility 0.4g/L Application Cinnamic acid yog ib qho tseem ceeb nruab nrab rau cov tshuaj zoo synthesis, uas yog dav siv hauv tshuaj, txuj lom, plastics, photosensitive resins thiab lwm yam khoom siv tshuaj. Pob: 25 kgs / hnab los yog raws li koj thov. Cia: Khaws ntawm qhov chaw muaj cua, qhuav. Executive Standard: International Standard. -
Tyramine hydrochloride | 60-19-5 ib
Khoom Piav Qhia Yam Khoom Internal standard Melting point 253-255 ℃ Boiling point 269 ℃ Density 1.10g/cm3 PH ＜ 7 Application Mainly use as intermediate in organic synthesis. Pob: 25 kgs / hnab los yog raws li koj thov. Cia: Khaws ntawm qhov chaw muaj cua, qhuav. Executive Standard: International Standard. -
4-Hydroxybenzaldehyde | 123-08-00 ib
Khoom Piav Qhia Yam Khoom Sab hauv tus qauv melting point 112-116 ℃ Boiling point 191 ℃ Ceev 1.129g / cm3 Solubility me ntsis Soluble Daim ntawv thov Nws yog siv los ua ib qho tseem ceeb nruab nrab hauv kev lag luam tshuaj thiab tshuaj tsw qab. Kev tsim khoom lag luam feem ntau suav nrog phenol, P-Cresol, p-nitrotoluene thiab lwm yam khoom siv raw. Cov txheej txheem nta yooj yim muaj cov ntaub ntawv raw, txheej txheem tsim khoom yooj yim, tab sis tsis tshua muaj txiaj ntsig thiab tus nqi siab ... -
3-(4-Hydroxyphenyl)propionic Acid | 501-97-3 : kuv
Khoom Specification Feem ntau yog dawb los yog lub teeb daj crystals nrog irritating zog. Melting point 129 ~ 130, Dissociation tas li pKa 4.76 (25 ℃), soluble hauv ethanol, ethyl acetate thiab dej kub, insoluble nyob rau hauv benzene, chloroform, ether thiab lwm yam kuab tshuaj. Khoom Piav Qhia Yam Khoom Sab Hauv Tus Qauv Txheej Txheem ≥ 98% Melting point 129-131 ℃ Ceev 1.17 Solubility Me ntsis Soluble Daim Ntawv Thov Raws li kev siv tshuaj nruab nrab, p-hydroxy Phenylpropanoic aci ... -
4-Hydroxyphenylacetic Acid | 156-38-7 : kuv
Khoom Specification Nws yog dawb acicular crystalline khoom nyob rau hauv ib txwm kub thiab siab. Nws muaj cov dej tsis zoo hauv dej, tab sis yooj yim soluble hauv cov organic solvents, xws li ethyl acetate, Dimethyl sulfoxide, thiab lwm yam. P-hydroxy Phenylacetic acid belongs rau phenol tebchaw. Ua ke nrog cov carboxyl pawg nyob rau hauv nws cov qauv, cov khoom qhia muaj zog acidity. Khoom Piav Qhia Yam Khoom Sab Hauv Tus Qauv Txheej Txheem ≥ 99% Melting point 149-150 ℃ PH 2.0-2.4 ... -
4-Hydroxyphenylacetamide | 17194-82-0
Khoom Specification Dawb los yog me ntsis daj crystalline hmoov melting point 175-177 ℃. Khoom Piav Qhia Yam Khoom Sab Hauv Tus Qauv Txheej Txheem ≥ 99% Melting point 176 ℃ Density 1.2 ± 0.1 g / cm3 Solubility Dissolve hauv dej Daim Ntawv Thov Siv los ua cov tshuaj nruab nrab hauv cov tshuaj thiab cov organic synthesis. Cov khoom no yog siv rau synthesizing aminopropanol, uas yog ib hom β-Blockers yog siv nyob rau hauv kev kho mob kub siab, angina, thiab arrhythmia, thiab kuj effe ...
