Maleic Anhydride CAS 108-31-6 Purity ≥99.5%
Shanghai Ruifu Chemical Co., Ltd. yog cov chaw tsim khoom ntawm Maleic Anhydride (MA) (CAS: 108-31-6) 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 Maleic Anhydride,Please contact: alvin@ruifuchem.com
| Tshuaj npe | Maleic Anhydride |
| Synonyms | MA;2,5-Furandione;Furan-2,5-Dione;cis-Butenedioic Anhydride;Toxic Anhydride |
| Tshuag xwm txheej | Hauv Tshuag, Kev Lag Luam Ntau Lawm |
| CAS Nr | 108-31-6 : kuv |
| Molecular Formula | C4H2O3 |
| Molecular Luj | 98.06 ib |
| Melting Point | 52.0 ~ 56.0 ℃ (lit.) |
| Boiling Point | 200 ℃ (lit.) |
| Qhov ntom | 1.48 ib |
| rhiab heev | Moisture Sensitive |
| Solubility | Soluble hauv dej, 400 g / l, Yuav luag Transparency.Soluble heev hauv Acetone.Soluble hauv Ethanol, Chloroform, Ether, Toluene, Benzene, Dioxane |
| COA & MSDS | Muaj |
| Qauv | Muaj |
| Keeb kwm | Shanghai, Suav |
| Hom | Ruifu Tshuaj |
| Cov khoom | Specifications | Cov txiaj ntsig |
| Qhov tshwm sim | Dawb Briquettes | Dawb Briquettes |
| Cov ntsiab lus (As C4H203) | ≥99.5% | 99.7% |
| Crystallization Point | > 52.0 ℃ | 52.5 ℃ |
| Molten Xim (Pt-Co) | <25 PHAB | 15 |
| Residue ntawm Ignition | <0.005% | 0.002% |
| Cov ntsiab lus hlau (raws li Fe) | <3mg/kg | <3mg/kg |
| Infrared Spectrum | Raws li tus qauv | Ua raws |
| Xaus | Tau kuaj thiab ua raws li GB/T 3676-2008 specifications | |
Pob:Lub raj mis, Aluminium ntawv ci hnab, 25kg net hauv hnab yas woven lined nrog PE hnab, 25kg / Cardboard 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 thiab zoo-ventilated warehouse kom deb ntawm cov khoom tsis sib xws.Khaws kom deb ntawm qhov hluav taws kub thiab qhov cua sov.Kev tiv thaiv los ntawm tshav ntuj ncaj qha thiab ya raws.Cov cuab yeej tsim khoom yuav tsum raug kaw, thiab cov neeg ua haujlwm yuav tsum hnav cov khoom tiv thaiv.
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 R22 - Ua phem yog tias nqos
R34 - Ua rau kub hnyiab
R42/43 - Tej zaum yuav ua rau rhiab heev los ntawm kev nqus pa thiab sib cuag ntawm daim tawv nqaij.
Safety Description S22 - Tsis txhob ua pa plua plav.
S26 - Nyob rau hauv rooj plaub ntawm qhov muag, yaug tam sim ntawd nrog dej txaus thiab nrhiav kev kho mob.
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 2215 8/PG 3
WGK Germany 1
TIAB SA 3675000
FLUKA BRAND F CODE 21
TSCA Yes
HS Code 2917140000
Hazard Chav Kawm 8
Packing Group III
Toxicity LD50 qhov ncauj hauv luav: 1090 mg/kg LD50 dermal Luav 2620 mg/kg
Maleic Anhydride (MA) (CAS: 108-31-6) yog cov kua qaub anhydride ntawm maleic acid, muaj zog stimulus tsw.Maleic anhydride yog qhov zoo tshaj plaws molecule nyob rau hauv uas nws muaj ob hom tshuaj ua haujlwm ua rau nws muaj txiaj ntsig zoo hauv cov tshuaj synthesis thiab kev siv.
Maleic Anhydride yog ib qho tshuaj lom neeg ua haujlwm nruab nrab nrog cov ntawv thov hauv ntau qhov kev lag luam tshuaj.Nws qhov kawg siv yog raws li cov khoom noj khoom haus hauv kev tsim cov khoom siv tsis zoo polyester resins (UPR).Cov resins no yog siv ob qho tib si hauv iav-reinforced thiab hauv cov ntawv thov tsis muaj zog.Kev siv UPR kawg suav nrog ntau yam kev siv hauv kev tsim kho, kev lag luam marine thiab tsheb.
Hauv kev tsim cov polyester resins, fumaric acid, tshuaj tua kab ua liaj ua teb, thiab alkyl resins.
Tsis tas li ntawd, Maleic Anhydride tuaj yeem siv los ua cov khoom siv raw hauv kev tsim cov 1,4-butanediol (BDO), gamma-butyrolactone thiab tetrahydrofuran (THF).Nws yog ib qho tseem ceeb los qhia tias BDO yog ib qho ntawm cov tshuaj loj tshaj plaws hauv ntiaj teb hauv xyoo tas los.
Maleic Anhydride yog heterocyclic compound siv nyob rau hauv kev tsim ntawm unsaturated polyester resins.Maleic Anhydride muaj ntau yam ntawm lwm yam kev siv;Nws yog siv nyob rau hauv hluavtaws tensides, insecticides, herbicides thiab fungicides.
Inhalation ua rau hnoos, txham, caj pas ua xua.Kev sib cuag ntawm daim tawv nqaij ua rau khaus thiab liab.Vapors ua rau mob qhov muag hnyav;photophobia thiab ob lub zeem muag yuav tshwm sim.
UN2215 Maleic Anhydride, Hazard chav kawm: 8;Cov ntawv lo: 8-Corrosive khoom.Maleic Anhydride yog kev lag luam thiab thauj hauv cov khoom thiab cov ntaub ntawv molten.Lub molten Maleic Anhydride yog thauj ntawm qhov kub ntawm 60 mus rau 80 ° C nyob rau hauv lub tank zoo insulated los yog txoj kev tankers muab cov khoom cua sov.Nyob rau hauv cov ntaub ntawv khoom, nws tuaj yeem thauj tau raws li pastilles, uas feem ntau tau ntim rau hauv hnab polyethylene ntawm 25 kg thiab thauj los ntawm tsheb ciav hlau lossis tsheb thauj khoom.
ruaj khov.Hluav taws kub.Tsis sib haum nrog dej, muaj zog oxidizing tus neeg sawv cev, alkali hlau, muaj zog hauv paus, amines, feem ntau cov hlau, polymerization catalysts thiab accelerators.
