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Merck
모든 사진(1)

주요 문서

20801

Sigma-Aldrich

1,1,1-Trichloro-2-methyl-2-propanol hemihydrate

meets analytical specification of Ph. Eur., BP, NF, 98-100.5% (calc with ref. to anhyd. subst.)

동의어(들):

β,β,β-Trichloro-tert-butyl alcohol hemihydrate, ‘Acetone chloroform’, ‘Chlorobutanol’

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About This Item

Linear Formula:
Cl3CC(CH3)2OH · 0.5H2O
CAS Number:
Molecular Weight:
186.46
Beilstein:
878167
EC Number:
MDL number:
UNSPSC 코드:
41116107
PubChem Substance ID:
NACRES:
NA.21

Quality Level

분석

98-100.5% (calc with ref. to anhyd. subst.)

형태

solid

품질

meets analytical specification of Ph. Eur., BP, NF

불순물

≤0.002% heavy metals (as Pb)
4.5-5.5% water (Karl Fischer)

무기 잔류물

≤0.1% (as SO4)

mp

76-80 °C

음이온 미량물

chloride (Cl-): ≤100 mg/kg

응용 분야

pharmaceutical (small molecule)

SMILES string

O.CC(C)(O)C(Cl)(Cl)Cl.CC(C)(O)C(Cl)(Cl)Cl

InChI

1S/2C4H7Cl3O.H2O/c2*1-3(2,8)4(5,6)7;/h2*8H,1-2H3;1H2

InChI key

WRWLCXJYIMRJIN-UHFFFAOYSA-N

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애플리케이션

1,1,1-Trichloro-2-methyl-2-propanol hemihydrate (chlorobutanol) is a preservative used as a standard for quantifying preservatives in pharmaceutical formulations by using capillary electrophoretic method. It has also been used to anesthetize leeches for preparing c-DNA library from regenerating retzius cells.

생화학적/생리학적 작용

Chlorobutanol or 1,1,1-Trichloro-2-methyl-2-propanol is a opthalmic preservative and sedative hypnotic that possess antibacterial and antifungal properties. It also decreases the conduction velocity and induces conduction failure and automaticity within isolated ventricular muscle strips as well as impacts myocardial cells by acting on cell membrane and reduces isometric tension produced by heart.

픽토그램

Exclamation mark

신호어

Warning

유해 및 위험 성명서

예방조치 성명서

Hazard Classifications

Acute Tox. 4 Oral

Storage Class Code

11 - Combustible Solids

WGK

WGK 3

Flash Point (°F)

212.0 °F - closed cup

Flash Point (°C)

100 °C - closed cup

개인 보호 장비

dust mask type N95 (US), Eyeshields, Gloves


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문서 라이브러리 방문

이미 열람한 고객

S Korneev et al.
Invertebrate neuroscience : IN, 3(2-3), 185-192 (1998-10-23)
We have constructed a subtractive cDNA library from regenerating Retzius cells of the leech, Hirudo medicinalis. It is highly enriched in sequences up-regulated during nerve regeneration. Sequence analysis of selected recombinants has identified both novel sequences and sequences homologous to
Elena S Novitskaya et al.
Clinics in dermatology, 29(3), 295-299 (2011-04-19)
Identifying contact allergens in ophthalmic medications can be a challenging and daunting experience. We summarize data on topical ophthalmic medications with the potential to cause periorbital contact dermatitis and allergic conjunctivitis, highlighting current dilemmas and controversies in this area. The
K Hermsmeyer et al.
The American journal of physiology, 230(2), 306-310 (1976-02-01)
The negative inotropic effect of a commonly used formulation of bradykinin (Sandoz BRS-640) was found to be due to chlorobutanol, a constituent of the preparation. Solutions containing up to 100 mug of crystalline bradykinin/ml had no effect on tension or
Małgorzata Jaworska et al.
Journal of separation science, 28(2), 137-143 (2005-03-10)
Preservatives are used to protect pharmaceutical formulations from microbial attack during the period of administration to the patient. Because of their biological activity, preservatives have to be identified and assayed according to the same rules as apply to active components.

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