Ọdịmma dị elu na nnyefe ngwa ngwa, ọnụọgụ karịa yana mbelata karịa.
Ọ bụrụ na ị nwere ihe achọrọ, nabata ịkpọtụrụ anyị n'oge ọ bụla.
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一.Nkọwa
Aha ngwaahịa: Tetrahydrofuran/THF
Ọdịdị: mmiri mmiri na-enweghị agba
Dị ọcha: 99.9%
Isi: 109-99-9
MF: C4H8O
MW: 72.11
EINECS: 203-726-8
Ebe mgbaze: -108°C
Ebe esi mmiri: 66°C
Ebe ọkụ ọkụ:>230°F
Njupụta: 0.889 g/ml
Koodu mpaghara:: 2932110000
Ngwugwu: 1 L / karama, 25 L/drum, 200 L/drum
二.Nkọwapụta
| Ihe | Nkọwapụta |
| Ọdịdị | Mmiri mmiri na-enweghị atụ |
| Agba (APHA) | ≤10 |
| Ịdị ọcha | ≥99.9% |
| Mmiri | ≤100ppm |
| Peroxide | ≤0.003% |
三.Ngwa
1. Dị ka ihe mgbaze nkịtị,Tetrahydrofurana na-ejikarị eme ihe na mkpuchi elu, mkpuchi nchebe, inks, extractants na ọgwụgwọ elu nke akpụkpọ anụ artificial.
2.Tetrahydrofuranbụ ihe dị mkpa akụrụngwa maka mmepụta nke PTMEG na isi ihe mgbaze maka ụlọ ọrụ ọgwụ.
四.Ihe onwunwe
Tetrahydrofuranbụ mmiri mmiri na-enweghị agba nke nwere isi ether.A na-ejikọta ya na mmiri, mmanya, acetone, benzene, ester, ether na hydrocarbon.
五. Ijikwa na Nchekwa
1. Akpachara anya maka njikwa nchekwa
Zere kọntaktị na akpụkpọ ahụ na anya.Zere ikuku ume nke uzuoku ma ọ bụ alụlụ.
Wepụ isi iyi nke mgbanye - Enweghị ise siga. Mee ihe iji gbochie ịmepụta electrostatic
ebubo.
2. Ọnọdụ maka nchekwa nchekwa, gụnyere enweghị nkwekọrịta ọ bụla
Chekwaa n'ebe dị mma.Debe akpa ahụ nke ọma n'ebe kpọrọ nkụ ma nwee ikuku nke ọma.A ga-ejizi nke ọma mechie akpa ndị emepere emepe ma debe ya ka o guzoro ọtọ ka ọ ghara ịpụta.
Ihe fọdụrụ akọrọ bụ ihe mgbawa.Chekwaa n'okpuru gas inert.Nwalee maka nhazi peroxide kwa oge na tupu distillation.
Klas nchekwa (TRGS 510): mmiri mmiri na-ere ọkụ
Oge nzipu: Jul-25-2022