Maltol CAS 118-71-8 (3-Hydroxy-2-Methyl-4-Pyrone) Purity ≥99.0% (HPLC)
Shanghai Ruifu Chemical Co., Ltd. yog cov chaw tsim khoom ntawm 3-Hydroxy-2-Methyl-4-Pyrone (Maltol) (CAS: 118-71-8) 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 Maltol,Please contact: alvin@ruifuchem.com
| Tshuaj npe | 3-Hydroxy-2-Methyl-4-Pyrone |
| Synonyms | Maltol;3-Hydroxy-2-Methyl-4H-Pyran-4-ib;Larixinic acid;2-Methyl-3-Hydroxy-4-Pyrone;2-Methyl-3-Hydroxypyran-4-ib;2-Methyl-3-Hydroxypyrone;3-Hydroxy-2-Methyl-1,4-Pyrone |
| Tshuag xwm txheej | Hauv Tshuag, Muaj Peev Xwm Ntau Lawm 3500 Tons ib xyoos |
| CAS Nr | 118-71-8 ib |
| Molecular Formula | C6H6O3 |
| Molecular Luj | 126.11 g / mol |
| Melting Point | 160.0 ~ 164.0 ℃ (lit.) |
| Boiling Point | 205 ℃ |
| Qhov ntom | 1.046 g / mL ntawm 25 ℃ |
| Solubility | Soluble heev hauv Chloroform;Soluble hauv Cawv;Heev me ntsis Soluble nyob rau hauv Benzene, Ether |
| COA & MSDS | Muaj |
| Qauv | Muaj |
| Hom | Ruifu Tshuaj |
| Cov khoom | Kev soj ntsuam Standards | Cov txiaj ntsig |
| Qhov tshwm sim | Dawb crystalline hmoov muaj cov yam ntxwv caramel-butterscotch tsw thiab qhia txog fruity-strawberry aroma hauv dilute tov.Ua raws | |
| Assay | ≥99.0% | 99.96% |
| Melting Point | 160.0 ~ 164.0 ℃ | 161.2 ~ 162.1 ℃ |
| Dej los ntawm Karl Fischer | <0.50% | 0.07% |
| Residue ntawm Ignition | <0.20% | 0.003% |
| Heavy Metals (raws li Pb) | ≤10ppm | <10ppm |
| Coj | ≤10ppm | <10ppm |
| Arsenic (As) | ≤ 3ppm | <3 ppm |
| Infrared Spectrum | Raws li tus qauv | Ua raws |
| Xaus | Tau kuaj & ua raws li FCCIV, USP35 Standard | |
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 thiab zoo-ventilated warehouse kom deb ntawm cov khoom tsis sib xws.Tiv thaiv los ntawm lub teeb thiab noo noo.Nws yuav tsum tsis txhob tov nrog cov khoom tsw txawv teb chaws.Nws yuav tsum tsis txhob nyob rau hauv kev sib cuag nrog hlau.
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.
Txa6H6O3 126.11
3-Hydroxy-2-methyl-4-pyrone [118-71-8].
DEFINITION
Maltol muaj NLT 99.0% ntawm maltol (C6H6O3), suav nrog lub hauv paus tsis muaj dej.
IDENTIFICATION
• A. Infrared Absorption 197K
• B. Ultraviolet Absorption 197U
Cov qauv tshuaj: 0.01 mg / mL hauv 0.1 N hydrochloric acid
Tsis muaj: 0.1N hydrochloric acid
QHIA
• Cov txheej txheem
Kev daws teeb meem: 0.01 mg / mL ntawm USP Maltol RS hauv 0.1 N hydrochloric acid
Cov qauv tshuaj: 0.01 mg / mL ntawm Maltol hauv 0.1 N hydrochloric acid
Instrumental mob
Mode: UV
Kev ntsuas wavelength: siab tshaj plaws ntawm 274 nm
Tsis muaj: 0.1N hydrochloric acid
Kev tsom xam
Qauv: Cov qauv kev daws teeb meem thiab cov qauv kev daws teeb meem
Xam cov feem pua ntawm maltol (C6H6O3) hauv feem ntawm Maltol noj:
Result = (Au/As) × (Cs/Cu) × 100
Au = absorbance of the Sample solution
Raws li = absorbance ntawm Standard tov
Cs = concentration ntawm USP Maltol RS nyob rau hauv Standard tov (mg / mL)
Cu = concentration of Sample tov (mg/mL)
Kev lees txais cov qauv: NLT 99.0% ntawm lub hauv paus tsis muaj dej
IMPURITIES
• Residue ntawm Ignition 281: NMT 0.2%, txiav txim siab ntawm 1.0 g
• Lead 251: NMT 10 ppm
• Heavy Metals, Method II 231: NMT 20 ppm
TSEEM CEEB
• Melting Range lossis Kub, Chav Kawm Ia 741: 160-164
• Kev Txiav Txim Dej, Txoj Kev I 921: NMT 0.5%
TSEEM CEEB
• Ntim thiab Cia: Khaws rau hauv cov thawv nruj, tiv thaiv lub teeb.Tsis muaj qhov yuav tsum tau khaws cia.
• USP Reference Standards 11
USP Maltol RS
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 Xn - Ua phem
Risk Codes R22 - Ua phem yog tias nqos
R36/37/38 - Kab mob rau qhov muag, ua pa thiab tawv nqaij.
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.
S37/39 - Hnav cov hnab looj tes tsim nyog thiab tiv thaiv qhov muag / ntsej muag
UN IDs UN 3334
WGK Germany 3
RTECS UQ1050000
TSCA Yes
HS Code 2932999099
3-Hydroxy-2-Methyl-4-Pyrone (Maltol) (CAS: 118-71-8) yog siv los ua zaub mov additives, flavors, tsw enhancers thiab fragrances, yuav siv tau rau haus luam yeeb tsw.
Maltol tau dav siv los ua cov tshuaj tsw qab los txhim kho qhov ncauj thiab txhim kho tsw ntawm cov khoom qab zib thiab ci hauv cov khoom noj khoom haus thiab cov dej qab zib hauv kev lag luam dej haus.Nws yog siv los ua qhov nruab nrab hauv cov tshuaj rau kev tsim tshuaj.Nws yog siv los ua tus neeg sawv cev hauv cov tshuaj pleev ib ce thiab kev saib xyuas tus kheej los txhim kho tsw.Raws li FEEDAP Vaj Huam Sib Luag, maltol muaj kev nyab xeeb ntxiv rau kev pub rau txhua hom tsiaj ntawm qhov kev siv ib txwm ntawm 5 mg / kg pub.
Maltol yog ib hom dav-spectrum saj enhancer featured nrog saj nce, txhim kho thiab sweetener.Nws tuaj yeem siv rau cov tshuaj tsw qab, tshuaj tsw qab thiab lwm yam thiab siv dav hauv kev haus luam yeeb, cawv, tshuaj pleev ib ce, thiab lwm yam lag luam, qhia txog cov txiaj ntsig pom tseeb.
Maltol thiab Ethyl Maltol feem ntau ntxiv ua cov khoom noj khoom haus rau cov khoom noj ci, ice cream thiab candies.Qhov ntxiv ntawm maltol yog li 110μg / kg.Raws li kev suav, qhov nruab nrab ntawm maltol thiab ethyl maltol yog qhov noj txhua hnub yog 5-29 mg, tab sis hauv qee tus neeg, qhov kev noj haus tiag tiag yuav yog ob peb zaug qhov nruab nrab.
Tej zaum yuav hnov mob rau lub sijhawm ntev ntawm lub teeb thiab huab cua.Me ntsis soluble hauv dej ntawm chav tsev kub.Dawb soluble hauv dej kub [Merck].Me ntsis soluble hauv dej txias.
Safety Profile:Muaj tshuaj lom los ntawm kev noj tshuaj, intraperitoneal, thiab subcutaneous txoj hauv kev.Ib daim tawv nqaij irritant.Human mutation data qhia.Thaum rhuab mus rau decomposition nws emissions pa luam yeeb thiab irritating fumes.
Cia:Maltol cov kev daws teeb meem yuav muab khaws cia rau hauv iav los yog cov thawv yas.Cov khoom siv loj yuav tsum muab khaws cia rau hauv lub thawv kaw kom zoo, tiv thaiv lub teeb, hauv qhov chaw txias, qhuav.
Incompatibilities:Cov kev daws teeb meem hauv cov thawv hlau, suav nrog qee qib ntawm cov hlau tsis muaj steel, tuaj yeem ua kom tsis muaj xim ntawm qhov chaw cia.
Regulatory Status:GRAS teev.Muaj nyob rau hauv FDA Inactive Ingredients Database (qhov ncauj kev daws teeb meem thiab syrups).Muaj nyob rau hauv Canadian daim ntawv teev cov khoom uas tsis yog tshuaj.
