DCC CAS 538-75-0 Dicyclohexylcarbodiimide Dị Ọcha>99.0% (GC) Ụlọ Ọrụ Na-ahụ Maka Njikọ Peptide
Shanghai Ruifu Chemical Co., Ltd bụ onye na-emepụta N, N'-Dicyclohexylcarbodiimide (DCC) (CAS: 538-75-0) nwere oke mma.Ruifu Chemical na-enye usoro nchekwa reagents na reagents njikọ.Ruifu nwere ike ịnye nnyefe zuru ụwa ọnụ, ọnụahịa asọmpi, obere na nnukwu ọnụọgụ dị.Ịzụta DCC,Please contact: alvin@ruifuchem.com
Aha Chemical | N, N'-Dicyclohexylcarbodiimide |
Ụdị okwu | DCC;Dicyclohexylcarbodiimide |
Nọmba CAS | 538-75-0 |
Ọnọdụ Ahịa | N'ọkwa, Mpụta Ihe ruru Tọn |
Usoro ihe omimi | C13H22N2 |
Ibu molekụla | 206.33 |
Ebe Na-agbaze | 32.0 ~ 36.0 ℃ |
Ebe esi nri | 122.0 ~ 124.0 ℃/6 mm Hg (ọkụ) |
Njupụta | 1.247 g/ml na 25 ℃ |
Mmetụta | Mmiri nwere mmetụta |
Solubility na Mmiri | Na-adịghị edozi n'ime mmiri |
Solubility | Soluble na methanol |
Okpomọkụ nchekwa. | Ebe dị jụụ na nkụ (2 ~ 8 ℃) |
COA & MSDS | Dị |
Otu | Njikọ njikọ Reagents |
Ụdị | Ruifu Chemical |
Ihe | Nkọwapụta |
Ọdịdị | kristal White ma ọ bụ Light Yellow Liquid |
Ụzọ ịdị ọcha / nyocha | > 99.0% (GC) |
Ebe Na-agbaze | 32.0 ℃ ~ 36.0 ℃ |
Ọnwụ na ihicha | <0.50% |
Nnwale ngwọta (na acetone) | doo anya & doo anya |
Ihe na-adịghị edozi na acetone | Ọ dịghị |
Mgbakọta adịghị ọcha | <1.00% |
Nchekwa | Chebe ọkụ na-echekwa n'ebe dị jụụ na nkụ |
Nlele ọkọlọtọ | Standardkpụrụ ụlọ ọrụ |
Ojiji | Peptide Njikọta Reagents |
ngwugwu:Kalama, 25kg / Drum, ma ọ bụ dị ka ndị ahịa chọrọ.
Ọnọdụ Nchekwa:Mmiri nwere mmetụta, chekwaa mmiri na mmiri.Chekwaa n'ime akpa mkpuchi mkpuchi n'ụlọ nkwakọba ihe dị jụụ na nkụ (2 ~ 8 ℃) pụọ na ihe ndị na-ekwekọghị ekwekọ.
Mbupu:Nyefee n'ụwa niile site na FedEx / DHL Express.Nye nnyefe ngwa ngwa na ntụkwasị obi.
1 Nzube
Kọwaa usoro nyocha nke DCC.
2 Oke
Ọdabara na nyocha nke DCC na ụlọ ọrụ Ruifu.
3 ndabere
Ndị China Pharmacopoeia 2005, ụkpụrụ njikwa ime ụlọ ọrụ.
4. Ọrụ
4.1 Ngalaba Ogo na-ahụ maka ọzụzụ na nduzi.
4.2 Onye nyocha ahụ ga-ahụ maka ọrụ a kapịrị ọnụ yana izi ezi nke nsonaazụ ule.
5 Usoro ọrụ
5.1 Njirimara: Ngwaahịa a bụ kristal ọcha ma ọ bụ mmiri mmiri na-acha odo odo.
Were gram 100 nke ihe nlele ma tinye ya na beaker, mee ka ọ dị jụụ ruo ebe okpomọkụ na-ekpo ọkụ, wee kpoo ya ka ọ gbazee.Lelee agba na kristal iche iche
5.2 Ebe oyi
Tinye 15ml sample n'ime 20ml ule tube.Ihe nlele ahụ gbazere kpamkpam mgbe ọkụ na 45 ℃.Nyefee tube ule n'ime mmiri ịsa ahụ na 25 ℃
Na, kpalite ma tinye akara thermometer.Kwa 30 sekọnd ruo mgbe mmiri siri ike, mgbe ahụ, ọ bụla 15 sekọnd,
Okpomọkụ egosiri bụ ebe na-ajụ oyi ruo mgbe temometa agaghị agbanwe agbanwe ihe dịka 1min.
5.3 Mkpebi ọdịnaya
Mkpebi site na chromatography gas (Ihe mgbakwunye nke Chinese Pharmacopoeia 2005 Edition).
Akụrụngwa: Kexiao GC1690 gas kọlụm Chromatograph: ATSE-54
Okpomọkụ kọlụm: 230 ℃ ihe na-ebu gas: nitrogen
Nchọpụta okpomọkụ: 300 ℃ Injection okpomọkụ: 280 ℃
Oke Shunt: 50:1 Onye nchọpụta: FID
Tinye 0.2ul nke ngwọta nnwale n'ime chromatograph maka nkeji iri na ise.Gbakọọ ya site na usoro nhazi mpaghara.
5.4 Nsonaazụ
Gbakọọ site na usoro nhazi mpaghara, DCC agaghị erughị 99.0%.
Koodu ihe egwu
R23/24/25 - Na-egbu egbu site na iku ume, na kọntaktị na akpụkpọ ahụ ma ọ bụrụ na loro.
R34 - na-akpata ọkụ
R40 - Ihe akaebe nwere oke nke mmetụta carcinogenic
R43 - nwere ike ịkpata uche site na kọntaktị akpụkpọ
R41 - ihe ize ndụ nke nnukwu mmebi anya
R36 / 38 - na-akpasu iwe na anya na akpụkpọ ahụ.
R21 - na-emerụ ahụ na kọntaktị na akpụkpọ ahụ
R24 - Nsi na kọntaktị na akpụkpọ ahụ
R22 - na-emerụ ma ọ bụrụ na loro ya
R62 - Ihe ize ndụ nke enweghị ike ịmụ nwa
R37 / 38 - na-akpasu iwe na usoro iku ume na akpụkpọ ahụ.
R10 - ọkụ
R61 - nwere ike imerụ nwa e bu n'afọ
R26 - Na-egbu egbu nke ukwuu site na ikuku ume
R38 - na-akpasu iwe na akpụkpọ ahụ
R20/22 - na-emerụ ahụ site na iku ume ma ọ bụrụ na eloro ya.
Nkọwapụta nchekwa
S26 - N'ihe banyere kọntaktị na anya, kpochaa ozugbo na ọtụtụ mmiri ma chọọ ndụmọdụ ahụike.
S36/37/39 - Yiri uwe nchebe kwesịrị ekwesị, uwe aka na nchebe anya / ihu.
S45 - Ọ bụrụ na ihe mberede ma ọ bụ ọ bụrụ na ahụ adịghị gị mma, chọọ ndụmọdụ ahụike ozugbo (gosi akara ahụ mgbe ọ bụla enwere ike.)
S41 - Ọ bụrụ na ọkụ na / ma ọ bụ mgbawa adịghị eku ume.
S24 - Zere kọntaktị na akpụkpọ ahụ.
S37/39 - Yiri uwe aka kwesịrị ekwesị na nchebe anya / ihu
S24/25 - Zere kọntaktị na akpụkpọ ahụ na anya.
S36 - Yiri uwe nchebe kwesịrị ekwesị.
S16 - Wepụ ya na isi mmalite nke mgbanye.
S53 - Zere ikpughe - nweta ntuziaka pụrụ iche tupu ejiri ya.
S28 - Mgbe emechara akpụkpọ ahụ, were ọtụtụ ncha-suds saa ozugbo.
NJ UN UN 2922 8/PG 2
WGK Germany 3
RTECS FF2160000
FLUKA BRAND F CODES 3-8-10-21
TSCA Ee
Koodu mpaghara:: 2925290090
Klas ihe egwu 6.1
Otu nkwakọ ngwaahịa II
Nsi LD50 ọnụ na oke bekee: 1110 mg / kg LD50 dermal Rat 71 mg / kg
A na-eji DCC (N,N'-Dicyclohexylcarbodiimide, CAS: 538-75-0) na kemịkalụ peptide dị ka ihe na-ejikọta ọnụ.A na-ejikarị eme ihe maka njikọ aka aka nke peptides Condensation nke amino acids.Dịka ọmụmaatụ, na njikọ Fmoc siri ike, otu carboxyl nke amino acid na-emepụta njikọ amide na otu amino acid nke ọzọ.Iji mee ka ndị otu carboxyl na-anabata ọgụ nke nucleophiles, atom oxygen na-adịghị mma kwesịrị ka a rụọ ọrụ n'ime ìgwè na-ahapụ nke ọma, DCC na-arụkwa ọrụ a.Atọm oxygen nke otu carboxyl na amino acid na-arụ ọrụ dị ka nucleophile iji wakpo carbon atom dị n'etiti molekul DCC nke mere na DCC jikọtara ya na otu carboxyl iji mepụta usoro ester, na-eme ka nucleophilic ọgụ nke amino ìgwè. dị mfe iji mepụta njikọ reagent.
A na-eji DCC maka njikọ na akpịrị ịkpọ nkụ nke amikacin na amino acids.ọ bụ ezigbo ihe na-eme ka mmiri na-ekpo ọkụ na-ekpo ọkụ na-ekpo ọkụ dị ala ma na-ejikwa ya maka njikọ nke acids, anhydrides, aldehydes, ketones, wdg Na Japan, ihe ndị na-eme ka mmiri na-ekpo ọkụ na-eji glutathione na-eme 90% nke oriri zuru ezu.Mgbe a na-eji ngwaahịa ahụ dị ka mmiri na-ekpo ọkụ na onye na-emepụta ihe, ọ nwere ike imeghachi ya n'oge dị mkpirikpi na ụlọ okpomọkụ, na ngwaahịa mgbe mmeghachi omume bụ dicyclohexylurea.Ebe ọ bụ na solubility nke ngwaahịa na organic mgbaze dị nnọọ obere, mmeghachi omume ngwaahịa dị mfe ikewa;n'otu oge ahụ, n'ihi na ngwaahịa ahụ siri ike igbari na mmiri, mmeghachi omume ahụ ka nwere ike ịga n'ihu ọbụna na ngwọta mmiri.A na-ejikwa ngwaahịa a maka njikọ nke peptides na nucleic acid.Ojiji nke ngwaahịa a nwere ike ime ngwa ngwa peptides sitere na ogige nwere otu carboxyl n'efu na ogige nwere otu amino free na ụlọ okpomọkụ, na mkpụrụ dị elu.A na-eji ya maka mmepụta nke hypertensives na adenosine monophosphate cyclic.eji dị ka biochemical reagent na organic njikọ nke akpịrị ịkpọ nkụ condensing gị n'ụlọnga.