Asam Propionik

Jeneng Produk:

Asam propionat

Sinonim:

Asam propionat, reagen ACS; Asam PROPIONIK Kanggo Sintesis 1 L; Asam PROPIONIK Kanggo Sintesis 2,5 L; Asam PROPIONIK Kanggo Sintesis 500 ML; Asam PROPIONIK Kanggo Sintesis 100 ML; Asam 1-Propionat; Asam propionat, AR,> = 99,5% (GC); Asam propionik ACS reagen,> = 99,5%

CAS:

79-09-4

MF:

C3H6O2

MW:

74.08

EINECS:

201-176-3

File Mol:

79-09-4.mol

Titik lebur

−24-−23 ° C (surem)

Titik didih

141 ° C (surem)

kapadhetan

0,993 g / mL ing 25 ° C (lit.)

kerapatan uap

2.55 (vs hawa)

tekanan uap

2,4 mm Hg (20 ° C)

indeks bias

n20 / D 1.386 (lit.)

FEMA

2924 | Asam PROPIONIK

Fp

125 ° F

temp panyimpenan

0-6 ° C

kelarutan

pelarut organik: larut (surem)

pka

4,86 (jam 25â „ƒ)

wujud

Cairan

warna

â ‰ ¤10, APHA:

Gravitasi Khusus

0,996 (20/4â „ƒ)

PH

2,5 (100g / l, H2O, 20â "ƒ)

Ambang ambu ora enak

0,0057ppm

watesan bledosan

2,1-12% (V)

Kelarutan Banyu

37 g / 100 ml

Merck

14.77825

Nomer JECFA

84

BRN

506071

Watesan pajanan

TLV-TWA 10 ppm (½½ž30 mg / m3) (ACGIH).

Stabilitas:

Mantep Kompatibel karo agen oksidasi sing kuwat. Flammable

InChIKey

XBDQKXXYIPTUBI-UHFFFAOYSA-N

Referensi CAS DataBase

79-09-4 (Referensi CAS DataBase)

Referensi Kimia NIST

Asam propanoat (79-09-4)

Sistem Registrasi Bahan EPA

Asam propionat (79-09-4)

Kode Bahaya

C

Pernyataan Risiko

36/37 / 38-34-10

Pernyataan Keamanan

26-36-45-23

RIDADR

UN 3463 8 / PG 2

WGK Jerman

1

RTECS

UE5950000

Suhu Otomatis

955 ° F

TSCA

Nggih

HazardClass

8

PackingGroup

II

Kode HS

29155010

Data Zat Mbebayani

79-09-4 (Data Zat Mbebayani)

Keracunan

LD50 ing tikus kanthi lisan: 4,29 g / kg (Smyth)

Properti Kimia

Asam propionat, CH3CH2COOH, uga dikenal minangka asam propanoat lan asam methylacetic, minangka cairan sing bensin tanpa warna sing umob ing 140 ° C (284 OF). Wis gampang kobong. Wis ambu ora enak sing enak lan larut ing banyu lan alkohol. Ambang ambu yaiku 0,16 ppm. Asam propionat minangka asam monokaroksilat alifatik. Asam propionat digunakake ing solusi elektroplating nikel, parfum, rasa buatan, obat-obatan, lan propionat manufaktur.

Migunakake

Asam propionat digunakake ing produksi propionat sing digunakake minangka penghambat jamur lan bahan kimia kanggo biji-bijian lan keripik kayu, ing produksi rasa buah lan perfumebase, lan agen esterifikasi.

Metode Produksi

Asam propionat bisa dipikolehi saka omben-omben limbah pulp kayu kanthi fermentasi. Uga bisa disiapake saka etilena, karbon monoksida lan uap; saka etanol lan karbon monoksida nggunakake katalis boron trifluoride; saka gas alam; utawa minangka produk sampingan ing pirolisis kayu. Asam propionat murni bisa dipikolehi saka propionitrile. Asam propionat bisa ditemokake ing produk susu kanthi jumlah sithik.

Sintesis Kimia

Proses komersial ngasilake asam propionat kanthi sintesis kimia lan jumlah cilik kanthi fermentasi bakteri

Bahan baku

Oksigen -> KARBON MONOXIDE -> Lilin parafin -> Monidrat asetat cupric -> Propionaldehida -> Molas -> Nafelat kobalt -> NICKEL CARBONYL -> Nhuangat mangan

Produk Preparasi

Methyl propionate -> Metalaxyl -> 3,4-DIAMINOQUINOLINE -> Ethyl propionate -> Ciprofloxacin -> 4-AMINO-3-NITROQUINOLINE -> DL-Alanine -> Dimethyl fumarate -> isoindolin-5 -asam karboksilat -> Natrium propionat -> Etil 2-bromopropionate -> 4-Chloro-3-nitroquinoline -> METHYL ISOINDOLINE-5-CARBOXYLATE -> ETHYL 3-PHENYLGLYCIDATE -> 2-Bromoanthracene -> 3-asam Chloropropionic -> Propanil -> 5-BROMOISOINDOLINE -> 2-Methylhexanoic acid -> 4-bromoisoindoline -> 3-Methylquinoline -> 2-Chloropropionic acid -> Tiopronin -> 6-BROMO -3,4-DIHYDRO-1H-QUINOLIN-2-ONE -> Napropamide -> Ethyl 2-chloropropionate -> SOLVENT YELLOW 85 -> DL-2-Bromopropionic -> 2-Chloropropionyl chloride -> Kalsium dipropionat -> 3-NITRO-4-QUINOLINOL -> PROPIONAT LINALYL -> PROPIONAT CITRONELLYL -> GARAM POTASSIUM ASAM PROPIONIK -> Propionat Isobutil -> PROPIONAT TERPINYL -> FENOX BETA- (4- (ACETYLAMIDO) ) ASID PROPANOIK -> Methyl 2-chloropropionate -> Diclofop-methyl -> Furfuryl thiopropionate