Zoo GhaiaCol CAS 90-05-1
Khoom npe:Guaiacol
CAS:90-05-1
Purity: 99%
Mf: c7h8o2
Einecs No: 201-964-7
FEMA: 2532
Saib ceev: 1.12
Melting taw tes: 26-29 ° C
Taw tes khov: 28 ℃
Boint Taw tes: 205ºC
Nyem taw tes: 82ºC
Refacking Qhov ntsuas: 1.543-1.545
Dej Solubility: 17 g / l (15 ºC)
Guaiacol Daim Ntawv Thov:
Siv hauv kws tshuaj, zas xim thiab cov tshuaj tsw qab.
GB2760-96 yog txhais tau tias yog kev tso cai ib ntus ntawm cov tshuaj tsw qab. Mas siv los npaj kas fes, vanilla, luam yeeb thiab luam yeeb tsw.
Nws yog siv nyob rau hauv synthesis ntawm dyes thiab raws li kev tshawb nrhiav cov reagent.
Hauv cov tshuaj, nws yog siv los ua guaiacol-sulfonate calcium, thiab hauv cov tshuaj txhuam, nws yog siv los ua cov vanillin thiab khoom neeg musv.
Kev tshuaj xyuas tooj liab, hydrocyanic acid thiab nitrite, tuaj yeem siv ua superoxide dawb radical scavengers.
| Cov khoom | Tus qauv | Qho kawg |
| Kev tshwm sim | Sorrel xim kua | Paub tseeb |
| Guaiacol% | ≥99.5 | 99.66 |
| Crystallization point (qhuav) ° C | ≥26.5 | 26.8 |
| Dej noo | I≤0.5 | 0.341 |
| Cov tshuaj ntawm cov boiling qis dua% | I≤0.2 | 0.14 |
| Khoom ntawm High boiling taw tes% | I≤0.2 | 0.14 |
| Ib qho nyiaj hli% | I≤0.1 | 0.00 |
| Cov Hlau Hnyav (raws li PB)% | ≤0.001 | ≤0.001 |
| Tag | Cov khoom no conforms rau saum toj no cov lus qhia | |
Shanghai Zoran Cov Khoom Siv Tshiab Co., Ltd yog nyob rau hauv Centeric Center-Shanghai. Peb ib txwm ua raws li "cov ntaub ntawv siab dua, lub neej zoo dua" thiab pawg neeg rau kev tshawb fawb thiab kev tsim kho hauv tib neeg 'txhua hnub ua rau peb lub neej zoo dua. Peb tau cog lus los muab cov ntaub ntawv siv tshuaj zoo nrog tus nqi tsim nyog tshaj plaws rau cov neeg siv khoom thiab tsim kev tshawb fawb ua tiav, kev lag luam, kev lag luam thiab tom qab muag kev pab. Lub tuam txhab cov khoom tau raug muag rau ntau lub teb chaws thoob ntiaj teb. Peb zoo siab tos txais cov neeg muas zaub hauv thoob ntiaj teb tuaj xyuas peb lub Hoobkas thiab tsim kev koom tes zoo ua ke!
Q1: Koj puas yog cov chaw tsim khoom lossis cov tuam txhab lag luam?
Peb ob leeg. Peb muaj peb tus kheej lub Hoobkas thiab R & D Center. Txhua tus neeg siv khoom, los ntawm tsev lossis txawv teb chaws, ua siab zoo siab txais tos tuaj xyuas peb!
Q2: Koj puas tuaj yeem muab cov kev pabcuam synthesis?
Yog lawm, tau kawg! Nrog peb cov pab pawg ua ke ntawm cov neeg mob siab thiab cov neeg txawj peb tuaj yeem ua tau raws li cov neeg siv khoom thoob ntiaj teb, los txhim kho kev koom tes nrog peb cov neeg siv khoom - uas yuav ua rau koj txo qis cov nqi thiab txhim kho koj cov txheej txheem.
Q3: Ntev npaum li cas koj lub sijhawm khoom plig?
Feem ntau nws yuav siv 3-7 hnub yog tias cov khoom lag luam nyob hauv Tshuag; Kev txiav txim siab yog raws li cov khoom lag luam thiab ntau.
Q4: Dab tsi yog kev thauj khoom?
Raws li koj xav tau. EMS, TNT, FedEx, UPS, cua thauj, hiav txwv thauj, peb kuj tuaj yeem muab DDU thiab DDP kev pabcuam.
Q5: Koj nqe lus them nqi dab tsi?
T / T, Western Union, Daim npav rho nyiaj, Visa, BTC. Peb yog cov neeg xa khoom kub hauv Alibaba, peb lees txais koj them nws ntawm Alibaba Kev Tsim Kho Kev Lag Luam.
Q6: Koj yuav ua li cas rau cov lus yws tau zoo?
Peb cov qauv kev tsim khoom nruj heev. Yog tias muaj qhov teeb meem zoo tiag tiag los ntawm peb, peb yuav xa koj cov khoom pub dawb rau kev hloov lossis them nyiaj rov qab koj poob.
