2,3-Butanedione CAS 431-03-8 Purity > 99.0% (GC)
Shanghai Ruifu Chemical Co., Ltd. yog cov chaw tsim khoom ntawm 2,3-Butanedione (Diacetyl) (CAS: 431-03-8) 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 2,3-Butanedione (Diacetyl),Please contact: alvin@ruifuchem.com
| Tshuaj npe | 2,3-Butanedione |
| Synonyms | Diacetyl;Biacetyl;2,3-Butadione;Butane-2,3-Dione;2,3-Diketobutane muaj |
| Tshuag xwm txheej | Hauv Tshuag, Kev Lag Luam Ntau Lawm |
| CAS Nr | 431-03-8 : kuv |
| Molecular Formula | C4H6O2 |
| Molecular Luj | 86,09 g / mol |
| Melting Point | -4.0 txog -2.0 ℃ |
| Boiling Point | 87.0 ~ 88.0 ℃ (lit.) |
| Flash Point | 10 ℃ (50 ° F) |
| Qhov ntom | 0.985 g / mL ntawm 20 ℃ |
| Refractive Index n20/D | 1.394 (lit.) |
| rhiab heev | Cua Sensitive, Thaum tshav kub kub Sensitive |
| Dej Solubility | Soluble hauv dej, 200 g / L (20 ℃) |
| Solubility | Miscible nrog Cawv, Ether;Soluble heev hauv Acetone |
| COA & MSDS | Muaj |
| Qauv | Muaj |
| Keeb kwm | Shanghai, Suav |
| Hom | Ruifu Tshuaj |
| Cov khoom | Kev soj ntsuam Standards | Cov txiaj ntsig |
| Qhov tshwm sim | Yellow-Green kua | Yellow Liquid |
| tsw | Nws muaj ib tug muaj zog Buttery tsw nyob rau hauv heev dilute daws | Ua raws |
| Relative ceev (25 ℃ / 25 ℃) | 0.978 ~ 0.988 hli | 0.9809 ib |
| Refractive Index n20/D | 1.3920 ~ 1.3980 Nws | 1.3950 Nws |
| Purity / Analysis Method | > 99.0% (GC) | 99.32% |
| Infrared Spectrum | Raws li tus qauv | Ua raws |
| Xaus | Cov khoom tau raug kuaj thiab ua raws li cov lus qhia tshwj xeeb | |
Pob:Fluorinated Fwj, 20kg / Nruas, los yog raws li tus neeg yuav tsum tau muaj.
Cia txias:Khaws lub thawv kaw kom nruj thiab khaws cia 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.
ruaj khov.Flamable.Incompatible nrog acids, muaj zog hauv paus, hlau, txo cov neeg ua haujlwm thiab oxidizing cov neeg ua haujlwm.Tiv thaiv los ntawm noo noo thiab dej.Nco ntsoov tsawg flashpoint.
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.
Risk Codes R11 - Flammable heev
R20/22 - Ua phem los ntawm kev nqus pa thiab yog tias nqos.
R38 - Kab mob ntawm daim tawv nqaij
R41 - Riam phom loj rau qhov muag
R36/38 - Kab mob rau qhov muag thiab tawv nqaij.
R20/21/22 - Ua phem los ntawm kev nqus pa, tiv tauj nrog daim tawv nqaij thiab yog tias nqos.
R37/38 - Kab mob ua pa thiab tawv nqaij.
Kev Nyab Xeeb Kev Nyab Xeeb S9 - Khaws lub thawv rau hauv qhov chaw muaj cua zoo.
S16 - Khaws kom deb ntawm qhov chaw hluav taws xob.
S26 - Nyob rau hauv rooj plaub ntawm qhov muag, yaug tam sim ntawd nrog dej txaus thiab nrhiav kev kho mob.
S37/39 - Hnav cov hnab looj tes tsim nyog thiab tiv thaiv qhov muag / ntsej muag
S36/37/39 - Hnav cov khaub ncaws tiv thaiv, hnab looj tes thiab tiv thaiv qhov muag / ntsej muag.
S39 - Hnav qhov muag / ntsej muag tiv thaiv.
UN IDs UN 2346 3/PG 2
WGK Germany 2
RTECS EK2625000
FLUKA BRAND F CODE 13
TSCA Yes
HS Code 2914190090
Hazard Class 3
Packing Group II
2,3-Butanedione (Diacetyl) (CAS: 431-03-8) ua tau raws li GB 2760-1996 tus qauv ntawm cov txuj lom noj tau tam sim no.Nws yog tsuas yog siv rau kev npaj cov zaub mov tseem ceeb xws li qab zib, cheese fermentation thiab kas fes ntaus ntawv, siv mis nyuj, butter, margarine, cheese, khoom qab zib thiab lwm yam khoom qab zib, xws li txiv hmab txiv ntoo, caramel, chocolate, kas fes, cherry, vanilla taum, zib mu, cocoa, txiv hmab txiv ntoo, cawv, aroma, rum, ceev, almonds, qhiav thiab hais txog.Nws kuj tseem siv tau rau hauv cov txiv hmab txiv ntoo tshiab fragrance essence rau pleev los yog tshiab hom essence nyob rau hauv ib txoj lw tus nqi, thiab siv los ua gelatin hardening tus neeg saib xyuas thiab yees duab adhesive agent.2,3-Butanedione, yog ib qho reactive diketone nyob rau hauv cov khoom xyaw butter tsw.Nws yog dej-soluble thiab volatile, alpha-diketone compound uas muaj buttery tsw.Siv rau kev npaj ntawm qab zib qab zib, yog lub ntsiab raw khoom rau zus tau tej cov pyrazine tsw.
Kev nqus tau los yog sib cuag nrog cov khoom yuav ua rau khaus lossis hlawv tawv nqaij thiab qhov muag.Hluav taws yuav ua rau khaus, corrosive thiab/los yog cov pa phem.Vapors tuaj yeem ua rau kiv taub hau lossis ua tsis taus pa.Cov dej ntws los ntawm kev tswj hluav taws tuaj yeem ua rau muaj kuab paug.
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