Khoom Description
Benzoic acid (C6H5COOH)yog nyob rau hauv dawb flake, siv lead ua, los yog hmoov. Nws muaj ib tug me me benzoic los yog benzyl aldehyde tsw. Nws pib sublimate ntawm 100ºC. Nws nyuaj rau yaj hauv dej tab sis soluble hauv dej npau npau, cawv, chloroform, thiab ether. Benzoic acid ruaj khov hauv huab cua.
- Khoom npe: Benzoic Acid
- CAS Nr .: 65-85-0
- Cov mis mos molecular: C7H6O2
- Benzoic Acid Structure:
|
Yam khoom |
STANDARD |
|
Yam ntxwv |
Dawb crystallized hmoov |
|
Content >=% |
99.5 |
|
Melting point |
121-124ºC |
|
Poob ntawm ziab =< % |
0.5 |
|
Sulfate =< % |
0.1 |
|
Burnt residue =< PPM |
300 |
|
Chlorides =< % |
0.02 |
|
Cov hlau hnyav (As Pb) =< PPM |
10 |
|
Arsenic =<% |
0.0003 |
|
Lead =< ppm |
5 |
|
Mercury =< ppm |
1 |
|
Cov tshuaj oxidized |
xeem dhau |
|
Cov tshuaj carbonisable =< |
Y5 |
|
Xim ntawm cov tshuaj =< |
B9 |
Benzoic acid (C6H5COOH) Kev siv:
Benzoic Acid (C6H5COOH) yog siv los ua tshuaj tua kab mob thiab tshuaj tua kab mob hauv kev kho mob thiab zaub mov kev lag luam.
Nws yog siv raws li ib tug plasticizer nyob rau hauv cov organic tshuaj industries.
Feem ntau yog siv los ua zaub mov preservative, 1g / kg siv soy sauce, vinegar, kua txiv hmab txiv ntoo, jam, txiv hmab txiv ntoo phoov, tau; 0.8g / kg siv rau txiv hmab txiv ntoo, txiv hmab txiv ntoo wine thiab mos agarose; 0.4 g / kg siv nyob rau hauv txiv hmab txiv ntoo soda dej; 0.5g / kg siv nyob rau hauv qis- ntsev, hmoov nplej, candied txiv hmab txiv ntoo, haw jelly ncuav mog qab zib thiab txiv hmab txiv ntoo syrup; 2 g / kg siv nyob rau hauv condensed txiv hmab txiv ntoo kua txiv.
Lwm yam kev siv:
- Txheej: Siv nyob rau hauv hloov kho alkyd resins thiab polyamide resins.
- Pub Kev Lag Luam: Siv los ua cov kua qaub los hloov cov tshuaj tua kab mob rau inhibiting plab hnyuv kab mob hauv cov tsiaj.
- Kev Siv Khoom Siv: Rau hlau xeb tshem tawm thiab ua cov roj nplua nyeem.
Benzoic acid (C6H5COOH) Ntim
- Pob: 25kg / hnab, 500KG / hnab, 550KG / hnab Chaw nres nkoj: TianJin / QingDao / Shang Hai Chaw nres nkoj
- 25kg woven hnab los yog kraft ntawv compound hnab
- Tech qib (Flake): 20MT / 20 'FCL Tsis nyob ntawm Pallets; 17.5MT / 20 'FCL ntawm Pallets
- Zaub mov / Pub qib: 17MT / 20 'FCL Tsis nyob ntawm Pallets; 14MT / 20 'FCL ntawm Pallets
Tuam txhab Profile
Gneebioyog tus kws tshaj lij tshuaj raw khoom tsim khoom thiab xa tawm thoob ntiaj teb. Peb lub tuam txhab nyob hauv Henan Xeev, Suav. Peb muaj ntau lub koom haum koom tes tshuaj chemical hauv Henan, npog thaj tsam ntawm 3,600 square metres, muab cov neeg siv khoom nrog ib qho - nres cov kev pabcuam tshuaj, suav nrog kev sib xyaw, rov ntim dua, khaws cia, thiab xa tawm.
FAQ
Q: Vim li cas thiaj xaiv peb?
A: Nrog ntau xyoo ntawm kev paub txog tshuaj thiab xa tawm, peb tuaj yeem muab cov khoom zoo tshaj plaws, kev pabcuam zoo, tus nqi sib tw, thiab xa khoom sai.
Q: Txoj kev them nyiaj twg peb tuaj yeem lees txais?
A: TT, LC, DP, West Union, PayPal, thiab lwm yam.
Q: Koj puas muab cov qauv dawb?
A: Yog lawm, peb tuaj yeem muab cov qauv dawb, tab sis tus nqi xa tawm yuav raug them los ntawm koj.
Q: Dab tsi yog qhov chaw nres nkoj thauj khoom thiab kev thauj mus los?
A: Qingdao, Shanghai, Dalian, Tianjin, Lianyungang, thiab lwm yam.Sea, railway, txoj kev, multimodal thauj.
Q: Kuv puas tuaj yeem tau txais luv nqi?
A: Yog, tab sis nws nyob ntawm qhov ntau, tus nqi lag luam, thiab lwm yam