2-Butynoic Acid CAS 590-93-2 (Tetrolic Acid) Purity ≥98.0% (GC)
Shanghai Ruifu Chemical Co., Ltd. yog cov chaw tsim khoom ntawm 2-Butynoic Acid (Tetrolic Acid) (CAS: 590-93-2) nrog cov khoom zoo.Ruifu Chemical tuaj yeem muab kev xa khoom thoob ntiaj teb, tus nqi sib tw, kev pabcuam zoo heev, me me thiab ntau ntau muaj.Yuav 2-Butynoic Acid,Please contact: alvin@ruifuchem.com
Tshuaj npe | 2-Butynoic acid |
Synonyms | Tetrolic acid;Tab sis-2-ynoic acid;1-Propynecarboxylic Acid;3-Methylpropiolic Acid |
Tshuag xwm txheej | Hauv Tshuag, Kev Lag Luam Ntau Lawm |
CAS Nr | 590-93-2 : kuv |
Molecular Formula | C4H4O2 |
Molecular Luj | 84,07 g / mol |
Melting Point | 76.0 ~ 80.0 ℃ (lit.) |
Boiling Point | 200.0 ~ 203.0 ℃ |
Qhov ntom | 0.9641 g / cm3 |
Solubility hauv dej | 50mg / mL, Ntshiab mus rau me ntsis hazy, tsis muaj xim rau heev faintly daj |
Solubility | Soluble me ntsis hauv Methanol thiab Chloroform |
COA & MSDS | Muaj |
Keeb kwm | Shanghai, Suav |
Hom | Ruifu Tshuaj |
Cov khoom | Kev soj ntsuam Standards | Cov txiaj ntsig |
Qhov tshwm sim | Pleev Yellow Crystalline Hmoov | Ua raws |
Melting Point | 76.0 ~ 80.0 ℃ | 77.1 ℃ |
Dej los ntawm Karl Fischer | ≤ 1.00% | 0.13% |
Indiscerptible | ≤ 1.00% | 0.02% |
Acetic acid | ≤ 500ppm | Ua raws |
Purity / Analysis Method | ≥98.0% (GC) | 98.89% |
Infrared Spectrum | Raws li tus qauv | Ua raws |
1 H NMR Spectrum | Raws li tus qauv | Ua raws |
Xaus | Cov khoom tau raug kuaj & ua raws li cov lus qhia tshwj xeeb |
Pob:Lub raj mis, Aluminium ntawv ci hnab, 25kg / Cardboard Nruas, los yog raws li tus neeg yuav tsum tau muaj.
Cia txias:Khaws rau hauv lub thawv kaw nruj nreem.Khaws rau hauv qhov chaw txias, qhuav (2 ~ 8 ℃) thiab lub tsev tso cua txias kom deb ntawm cov khoom tsis sib xws.Tiv thaiv los ntawm lub teeb thiab noo noo.
Shipping:Xa mus thoob ntiaj teb los ntawm huab cua, los ntawm FedEx / DHL Express.Muab kev xa khoom sai thiab txhim khu kev qha.
Yuav Yuav Li Cas?Thov hu rauDr. Alvin Huang: sales@ruifuchem.com or alvin@ruifuchem.com
15 Xyoo Kev Paub?Peb muaj ntau tshaj li 15 xyoo ntawm kev paub nyob rau hauv kev tsim thiab export ntawm ib tug ntau yam ntawm zoo tshuaj intermediates los yog zoo tshuaj.
Kev lag luam loj?Muag rau kev lag luam hauv tsev, North America, Europe, India, Kauslim, Nyiv, Australia, thiab lwm yam.
Qhov zoo?Superior zoo, tus nqi pheej yig, kev pabcuam tshaj lij thiab kev txhawb nqa kev pabcuam, xa khoom sai.
ZooKev lees paub?Kev tswj xyuas nruj nruj.Cov cuab yeej tshaj lij rau kev txheeb xyuas suav nrog NMR, LC-MS, GC, HPLC, ICP-MS, UV, IR, OR, KF, ROI, LOD, MP, Clarity, Solubility, Microbial limit test, thiab lwm yam.
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.
Factory Audit?Lub Hoobkas tshawb xyuas txais tos.Thov teem caij ua ntej.
MOQ?Tsis muaj MOQ.Kev txiav txim me me tau txais.
Lub sij hawm xa tuaj? Yog hais tias nyob rau hauv Tshuag, peb hnub shipping guaranteed.
Kev thauj mus los?Los ntawm Express (FedEx, DHL), los ntawm Cua, los ntawm hiav txwv.
Cov ntaub ntawv?Kev pab cuam tom qab muag: COA, MOA, ROS, MSDS, thiab lwm yam tuaj yeem muab tau.
Kev cai Synthesis?tuaj yeem muab cov kev pabcuam sib xyaw ua ke kom haum rau koj cov kev xav tau tshawb fawb.
Cov nqe lus them nqi?Proforma invoice yuav raug xa ua ntej tom qab kev pom zoo ntawm kev txiav txim, kaw peb cov ntaub ntawv hauv tuam txhab nyiaj.Kev Them Nyiaj los ntawm T / T (Telex Transfer), PayPal, Western Union, thiab lwm yam.
Hazard Symbols C - Corrosive
Risk Codes
R34 - Ua rau kub hnyiab
R20/21/22 - Ua phem los ntawm kev nqus pa, tiv tauj nrog daim tawv nqaij thiab yog tias nqos.
Kev nyab xeeb piav qhia
S26 - Nyob rau hauv rooj plaub ntawm qhov muag, yaug tam sim ntawd nrog dej txaus thiab nrhiav kev kho mob.
S27 - Tshem tawm tag nrho cov khaub ncaws tsis huv tam sim ntawd.
S36/37/39 - Hnav cov khaub ncaws tiv thaiv, hnab looj tes thiab tiv thaiv qhov muag / ntsej muag.
S45 - Thaum muaj xwm txheej lossis yog tias koj tsis xis nyob, nrhiav kev kho mob tam sim ntawd (qhia daim ntawv lo thaum twg los tau.)
UN IDs UN 3261 8/PG 2
WGK Germany 3
TSCA Yes
HS Code 2916190090
Hazard Chav Kawm 8
Packing Group II
2-Butynoic Acid (Tetrolic Acid) (CAS: 590-93-2) yog siv los ua ib qho nruab nrab hauv cov organic synthesis thiab tshuaj.Nws yog siv los ua synthon hauv ntau yam tshuaj tiv thaiv, uas muaj xws li cylcoalkylation ntawm phenols rau flavones thiab chromones.Nws koom nrog hauv cyclization ntawm gamma-butyrolactones.
2-Butynoic Acid muaj ob tus yam ntxwv ntawm alkynes thiab carboxylic acids, thiab tuaj yeem ua rau txo qis, ntxiv, oxidation, esterification thiab cyclization, thiab tsim cov ntsev thiab kua qaub chlorides.
Siv nyob rau hauv ib tug series ntawm cov tshuaj tiv thaiv rau synthesize fibers, xws li cyclic acylation ntawm phenols rau cyclic ketones los yog chromones, thiab lub cyclization ntawm γ-butyrolactone.
2-Butynoic Acid tuaj yeem siv rau kev npaj ntawm dibromocrotonic acid, ethoxycrotonic acid, butynic acid ethyl ester, butynyl (acid) chloride thiab butynyl (acid) amide.
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