Khoom Description
Khoom npe: Pyromellitic acid
CAS: 89-05-4 Nr
PIB: 201-879-5
Melting point: 281-284.5℃(lit.)
Boiling point: 317.36℃(kwv yees ntxhib)
Qhov ceev: 0.56 g / cm3
Refractive Index: 1.7010 (kwv yees)
Fp: 325 degree
Specification
| Cov khoom | Specifications |
| Qhov tshwm sim | Tsis muaj xim thiab pob tshab kua |
| Purity | 99% |
| Cia temp. | Khaws hauv qab +30℃. |
| Pob | 1 kg / hnab, 20 kg / nruas, 25 kg / nruas |
Daim ntawv thov
1. Ua Pyromellitic acid ua ib qho tseem ceeb monomer rau synthesizing polyimide resins siv nyob rau hauv siab - kub resistant coatings thiab hluav taws xob rwb thaiv tsev cov ntaub ntawv.
2. Pab 1 2 4 5-Benzenetetracarboxylic acid CAS 89-05-4 ua tus neeg sawv cev sib txuas hauv kev tsim cov epoxy resins los txhim kho lawv cov neeg kho tshuab lub zog thiab thermal stability.
3. Muaj nuj nqi raws li ib tug reagent nyob rau hauv analytical chemistry rau kev soj ntsuam cov hlau ions ntawm complexation tshua nyob rau hauv aqueous daws.
Cia thiab ceev faj
1. Khaws Pyromellitic acid nyob rau hauv lub thawv kaw ntawm 15-25℃nyob rau hauv ib qho chaw txias, qhuav, tsaus nti kom deb ntawm noo noo, muaj zog hauv paus, thiab oxidizing agents.
2. Khaws 1 2 4 5-Benzenetetracarboxylic acid CAS 89-05-4 cais tawm ntawm amines thiab cawv kom tsis txhob muaj qhov tshwm sim ntxov ntxov thaum khaws cia.
3. Hnav cov hnab looj tes nitrile, looj tsom iav dub, thiab lub tsho tiv thaiv kev sim thaum tuav kom tsis txhob muaj tawv nqaij thiab nqus plua plav.
Dab tsi yog qhov txiaj ntsig ntawm kev noj Pyromellitic acid/1 2 4 5-Benzenetetracarboxylic acid?
1. Cov tetra-carboxylic acid qauv muab ntau qhov chaw reactive rau polymerization thiab cross-txuas kev cuam tshuam.
2. Zoo heev 1 2 4 5-Benzenetetracarboxylic acid CAS 89-05-4 thermal stability ua kom cov ntaub ntawv muab tau los tswj kev ua haujlwm ntawm qhov kub siab tshaj 300 degree.
3. Zoo Pyromellitic acid solubility nyob rau hauv polar solvents zoo li dimethyl sulfoxide (DMSO) simplifies formulation thiab ua rau industrial daim ntaub ntawv.
Cov ntaub ntawv kev nyab xeeb
- GHS Classification: Irritant (GHS07, Xi), teeb meem yog nqos tau (H302), tawv nqaij khaus (H315), mob qhov muag loj (H319), ua pa ua pa (H335).
- Qhov ncauj 1 2 4 5-Benzenetetracarboxylic acid CAS 89-05-4 Pyromellitic acid noj yuav ua rau mob plab hnyuv thiab xeev siab; Kev sib cuag ntawm daim tawv nqaij tuaj yeem ua rau liab thiab khaus.
- Tsis sib haum nrog cov hauv paus muaj zog, amines, thiab cov tshuaj txo qis, uas tuaj yeem ua rau muaj kev cuam tshuam tsis zoo los yog kev puas tsuaj.
- UN Number: Tsis muaj npe raws li cov khoom siv phom sij rau kev thauj mus los; cais raws li qhov tsis yog - zoo txaus ntshai nyob rau hauv ib txwm khaws cia.
Yam khoom pom zoo
| Cov khoom | Khoom npe |
| 1 | Tom ntej: Nicotinic Acid Hydrozide CAS 553-53-7 |
| 2 | Tom ntej: Acetone Thiosemicarbazone CAS 1752-30-3 |
| 3 | Isotetradecyl Acrylate / ITDA CAS 93804-11-6 |
| 4 | Tom ntej: 2-Amino-4-Methylbenzoic Acid CAS 2305-36-4 |
| 5 | Phenazine Methosulfate CAS 299-11-6 |
| 6 | Phenazine ethosulphate CAS 10510-77-7 |
| 7 | N-Methyl-2-Fluoroaniline CAS 1978-38-7 |
| 8 | Phenazine ethosulphate CAS 10510-77-7 |
| 9 | Tom ntej: Trityl Tetrakis (Pentafluorophenyl) Borate CAS 136040-19-2 |
| 10 | Yog tias koj xav tau cov ntaub ntawv ntxiv, txais tos hu rau peb txhua lub sijhawm.WhatsApp: +86 18317156592
|
Ntim
Kev thauj mus los & Kev Them Nyiaj
Txog Kev Thauj Mus Los
Raws li cov kev xav tau ntawm peb cov neeg siv khoom, peb tuaj yeem muab ntau yam kev xaiv kev thauj mus los.
Rau kev txiav txim me me, peb muab kev xa khoom huab cua lossis kev pabcuam xa khoom thoob ntiaj teb xws li FedEx, DHL, TNT, EMS, thiab ntau lwm yam tshwj xeeb ntawm kev thauj mus los thoob ntiaj teb.
Peb tuaj yeem thauj los ntawm hiav txwv mus rau ib qho chaw nres nkoj rau qhov loj dua.
Tsis tas li ntawd, peb tuaj yeem muab cov kev pabcuam tshwj xeeb raws li cov kev xav tau ntawm peb cov neeg siv khoom thiab cov yam ntxwv ntawm lawv cov khoom.
* Peb tuaj yeem muab ntau yam kev xaiv them nyiaj rau peb cov neeg siv khoom.
* Thaum cov nyiaj qis qis, cov neeg siv khoom feem ntau them nrog PayPal, Western Union, Alibaba, thiab lwm yam kev pabcuam zoo sib xws.
* Thaum cov lej tseem ceeb, cov neeg siv khoom feem ntau them nrog T / T, L / C thaum pom, Alibaba, thiab lwm yam.
* Tsis tas li ntawd, ntau tus neeg siv khoom yuav siv Alipay lossis WeChat Them kom them nyiaj.
FAQ
1
Kuv puas tuaj yeem tau txais cov qauv ntawm koj?
Re: Yog lawm, peb xav muab cov qauv rau koj raws li koj xav tau.
2
Koj tus MOQ yog dab tsi?
Re: Feem ntau peb cov MOQ yog 1 kg, tab sis qee zaum nws kuj hloov tau thiab nyob ntawm cov khoom sib txawv.
3
Ntev npaum li cas kuv tuaj yeem tau txais kuv cov khoom tom qab them nyiaj?
Re: Yog tias xa los ntawm couriers lossis huab cua, nws feem ntau raug nqi 5-10 hnub.
Yog tias xa los ntawm hiav txwv, nws feem ntau raug nqi 3-40 hnub, uas nyob ntawm koj qhov chaw nyob.
4
Koj puas muaj kev pabcuam tom qab- muag?
Re: Yog lawm, peb yuav qhia koj txog kev nce qib ntawm qhov kev txiav txim, xws li kev npaj cov khoom, kev tshaj tawm, kev thauj mus los ua raws- nce, kev pabcuam kev lis kev cai, kev taw qhia kev, thiab lwm yam.
Tiv tauj peb
Cim npe nrov: pyromellitic acid/1 2 4 5-benzenetetracarboxylic acid cas 89-05-4, Tuam Tshoj pyromellitic acid/1 2 4 5-benzenetetracarboxylic acid cas 89-05-4 manufacturers, lwm tus neeg, Hoobkas
