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Valeric acid (CAS#109-52-4)

Abubuwan Sinadarai:

Tsarin kwayoyin halitta Saukewa: C5H10O2
Molar Mass 102.13
Yawan yawa 0.939g/mLat 25°C(lit.)
Matsayin narkewa -20--18°C(lit.)
Matsayin Boling 110-111°C10mm Hg(lit.)
Wurin Flash 192°F
Lambar JECFA 90
Ruwan Solubility 40 g/L (20ºC)
Solubility 40g/l
Tashin Turi 0.15 mm Hg (20 ° C)
Yawan Turi 3.5 (Vs iska)
Bayyanar Ruwa
Launi Bayyanar mara launi zuwa kodadde rawaya
Merck 14,9904
BRN 969454
pKa 4.84 (a 25 ℃)
PH 3.95 (1 mM bayani); 3.43 (10 mM bayani); 2.92 (100 mM bayani);
Yanayin Ajiya Adana a ƙasa + 30 ° C.
Iyakar fashewa 1.8-7.3% (V)
Fihirisar Refractive n20/D 1.408 (lit.)
Abubuwan Jiki da Sinadarai ruwa mara launi tare da wari mara dadi
ruwa mara launi ko kodadde rawaya a bayyanar.
Amfani Yafi amfani da shiri na N-valerate, Organic kira na asali albarkatun kasa, yadu amfani da kayan yaji, Pharmaceuticals, lubricants, plasticizers da sauran masana'antu.

Cikakken Bayani

Tags samfurin

Alamomin haɗari C - Mai lalacewa
Lambobin haɗari R34 - Yana haifar da konewa
R52/53 - Cutarwa ga halittun ruwa, na iya haifar da illa na dogon lokaci a cikin yanayin ruwa.
Bayanin Tsaro S26 - Idan ana hulɗa da idanu, kurkura nan da nan da ruwa mai yawa kuma ku nemi shawarar likita.
S36 - Sanya tufafin kariya masu dacewa.
S45 - Idan akwai haɗari ko kuma idan kun ji rashin lafiya, nemi shawarar likita nan da nan (nuna alamar a duk lokacin da zai yiwu.)
S61 - Guji saki zuwa yanayi. Koma zuwa umarni na musamman / takaddun bayanan aminci.
ID na UN UN 3265 8/PG 3
WGK Jamus 1
RTECS Saukewa: YV610000
FLUKA BRAND F CODES 13
Farashin TSCA Ee
HS Code 29156090
Matsayin Hazard 8
Rukunin tattarawa III
Guba LD50 iv a cikin mice: 1290 ± 53 mg/kg (Ko, Wretlind)

 

Gabatarwa

N-valeric acid, kuma aka sani da valeric acid, wani fili ne na kwayoyin halitta. Mai zuwa shine gabatarwa ga kaddarorin, amfani, hanyoyin shirye-shirye da bayanan aminci na n-valeric acid:

 

inganci:

N-valeric acid ruwa ne marar launi tare da ɗanɗanon 'ya'yan itace kuma yana narkewa cikin ruwa.

 

Amfani:

N-valeric acid yana da amfani iri-iri a masana'antu. Ɗaya daga cikin manyan aikace-aikace shine a matsayin mai narkewa a cikin masana'antu irin su sutura, rini, adhesives, da dai sauransu.

 

Hanya:

Valeric acid za a iya shirya ta hanyoyi guda biyu na kowa. Ɗayan hanya ita ce a ɗanɗana pentanol da oxygen a gaban mai kara kuzari don samar da n-valeric acid. Wata hanya ita ce shirya n-valeric acid ta hanyar oxidizing 1,3-butanediol ko 1,4-butanediol tare da oxygen a gaban mai kara kuzari.

 

Bayanin Tsaro:

Norvaleric acid ruwa ne mai ƙonewa kuma yakamata a nisanta shi daga buɗewar wuta da tushen zafi. Lokacin sarrafawa da amfani, ya zama dole a ɗauki matakan kariya masu mahimmanci, kamar saka gilashin kariya, safar hannu da kayan kariya. N-valeric acid kuma yakamata a adana shi a cikin akwati mai hana iska, nesa da abubuwan da ake ci da abinci. Ana buƙatar kulawa lokacin adanawa da amfani da shi don gujewa amsawa da wasu sinadarai.


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