Acetylsalicylic Acid (Aspirin) CAS 50-78-2 Purity > 99.5% (HPLC) Hoobkas

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Lub npe tshuaj: Acetylsalicylic Acid

Synonyms: Aspirin;ASA;2-Acetoxybenzoic Acid

CAS: 50-78-2 Nr

Purity:> 99.5% (HPLC)

Cov tsos mob: Dawb Crystal lossis Crystalline hmoov

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Product Detail

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Shanghai Ruifu Chemical Co., Ltd. yog cov chaw tsim khoom thiab cov chaw muag khoom ntawm Acetylsalicylic Acid (Aspirin) (CAS: 50-78-2) nrog cov khoom zoo.Peb tuaj yeem muab COA, xa khoom thoob ntiaj teb, me me thiab ntau ntau.Yog tias koj txaus siab rau cov khoom no, thov xa cov ncauj lus kom ntxaws suav nrog CAS naj npawb, cov khoom npe, kom muaj nuj nqis rau peb.Please contact: alvin@ruifuchem.com

Chemical Properties:

Tshuaj npe	Acetylsalicylic acid
Synonyms	Aspirin;ASA;2-Acetoxybenzoic Acid;O-Acetylsalicylic acid;Acetyl Salicylic acid;2- (Acetyloxy) benzoic acid;O-Acetylsalicylic acid
CAS Nr	50-78-2 ib
CAT Number	TIAB SA 2749
Tshuag xwm txheej	Hauv Tshuag, Muaj Peev Xwm Ntau Lawm 50 Tons ib Hlis
Molecular Formula	c9h8o 4
Molecular Luj	180.16 Nws
Melting Point	132.0 txog 136.0 ℃
Flash Point	250 ° (482 ° F)
Qhov ntom	1.35 g / ml
rhiab heev	Moisture Sensitive
Solubility	Soluble hauv 100% Ethanol (80mg / ml), DMSO (41mg / ml) los yog Dimethyl Formamide (30mg / ml)
Hom	Ruifu Tshuaj

Specifications:

Yam khoom	Specifications
Qhov tshwm sim	Dawb Crystal los yog Crystalline Hmoov
Purity / Analysis Method	> 99.5% (HPLC)
Melting Point	132.0 ~ 136.0 ℃
Poob rau ziab	<0.50%
Residue ntawm Ignition	<0.10%
Hnyav Hlau	<20 ppm
Dawb Salicylic Acid	<0.10%
Chloride	<0.014%
Sulfate	<0.04%
Yam khoom muaj feem
Ib qho Impurity	<0.20%
Tag nrho cov impurities	<0.50%
Infrared Spectrum	Raws li tus qauv
Proton NMR Spectrum	Raws li tus qauv
Solubility hauv EtOH	Colorless Clear, 50 mg/ml Pass
Test Standard	Enterprise Standard
Kev siv	Pharmaceutical Intermediates

Pob & Cia:

Pob: Lub raj mis, Aluminium ntawv ci hnab, 25kg / Cardboard Nruas, los yog raws li tus neeg yuav tsum tau muaj

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Qhov zoo:

Muaj peev xwm txaus: Muaj cov chaw txaus thiab cov kws tshaj lij

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Stable Supply: Khaws cov khoom tsim nyog

Kev them nyiaj yug Technical: Technology tov muaj

Kev Pabcuam Synthesis: Ntau yam ntawm grams mus rau kilos

High Quality: Tsim kom muaj kev ruaj ntseg zoo

FAQ:

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Qhov zoo?Superior zoo, tus nqi pheej yig, kev pabcuam tshaj lij thiab kev txhawb nqa kev pabcuam, xa khoom sai.

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Cov qauv?Cov khoom lag luam feem ntau muab cov qauv dawb rau kev soj ntsuam zoo, tus nqi thauj khoom yuav tsum tau them los ntawm cov neeg siv khoom.

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Daim ntawv thov:

Acetylsalicylic Acid (Aspirin) (CAS: 50-78-2) yog cov tshuaj analgesic-antipyretic ua los ntawm salicylic acid cuam tshuam nrog acetic anhydride.Acetylsalicylic Acid yog cov tshuaj siv dav tshaj plaws hauv ntiaj teb.Nws yog dawb crystalline hmoov los yog crystalline hmoov, tsis muaj ntxhiab los yog me ntsis acetic acid tsw, me ntsis soluble nyob rau hauv dej, yooj yim soluble nyob rau hauv ethanol, thiab cov aqueous kua yog acidic.Nws ruaj khov hauv huab cua qhuav.Nws yuav maj mam hydrolyzed los ua salicylic acid thiab acetic acid nyob rau hauv cov huab cua noo, thiab aqueous kua muaj acidic cov tshuaj tiv thaiv.Acetylsalicylic Acid yog ib qho tshuaj tua kab mob rheumatic uas yog siv los ua kom kub taub hau, mob taub hau, mob caj dab, mob caj dab, thiab mob caj dab rheumatoid.Toothache thiab dysmenorrhea thiab ua raw khoom rau kev tiv thaiv carcinogen.Nyob rau hauv xyoo tas los no, nws tau pom tias cov tshuaj aspirin muaj cov nyhuv inhibitory ntawm platelet aggregation thiab tuaj yeem tiv thaiv thrombosis.Clinically siv los tiv thaiv kev ncua ischemic nres, myocardial infarction, dag lub plawv valve thiab venous fistula los yog lwm yam postoperative thrombosis.Cov npe hauv National Essential Medicine List.Acetylsalicylic acid kuj ua haujlwm raws li qhov nruab nrab ntawm lwm cov tshuaj.Lub synthesis ntawm aspirin yog cais raws li esterification cov tshuaj tiv thaiv.Salicylic Acid yog kho nrog acetic anhydride, ib qho kua qaub derivative, ua rau cov tshuaj tiv thaiv uas hloov salicylic acid cov hydroxyl pab pawg neeg ester (R-OH → R-OCOCH3).Cov txheej txheem no yields aspirin thiab acetic acid, uas yog suav tias yog ib qho byproduct ntawm cov tshuaj tiv thaiv no.