Naphthalin-2-thiol

Bezeichnung:Naphthalin-2-thiol

CAS-Nr91-60-1

Englisch Name:2-Naphthalenethiol

CBNumberCB8123370

SummenformelC10H8S

Molgewicht160.24

MOL-Datei91-60-1.mol

Synonyma

Naphthalin-2-thiol

Naphthalin-2-thiol physikalisch-chemischer Eigenschaften

Schmelzpunkt	79-81 °C (lit.)
Siedepunkt	286 °C (lit.)
Dichte	1.22
FEMA	3314 \| 2-NAPHTHALENTHIOL
Brechungsindex	1.589-1.591
Flammpunkt	69 °C
storage temp.	Inert atmosphere,Room Temperature
Löslichkeit	diethyl ether: very soluble(lit.)
Aggregatzustand	Powder
pka	6?+-.0.30(Predicted)
Farbe	Almost white to cream
Geruch (Odor)	at 0.10 % in propylene glycol. sulfurous rubbery meaty roasted woody creamy artichoke
Geruchsart	sulfurous
Wasserlöslichkeit	Soluble in alcohol, dipropylene glycol. Soluble in water 34.4 mg/L @ 25°C.
Sensitive	Air Sensitive
Merck	14,6379
JECFA Number	531
BRN	636389
LogP	3.75
CAS Datenbank	91-60-1(CAS DataBase Reference)
NIST chemische Informationen	2-Naphthalenethiol(91-60-1)
EPA chemische Informationen	2-Naphthalenethiol (91-60-1)

Sicherheit

Kennzeichnung gefährlicher	Xn,Xi
R-Sätze:	22-20/21/22
S-Sätze:	36/37
RIDADR	UN 3335
WGK Germany	3
RTECS-Nr.	QK3930000
F	13
Hazard Note	Harmful/Irritant
TSCA	Yes
HS Code	29309070

Gefahreninformationscode (GHS)

2-Naphthalenethiol Chemische Eigenschaften,Einsatz,Produktion Methoden

R-Sätze Betriebsanweisung:
R22:Gesundheitsschädlich beim Verschlucken.
R20/21/22:Gesundheitsschädlich beim Einatmen,Verschlucken und Berührung mit der Haut.
S-Sätze Betriebsanweisung:
S36/37:Bei der Arbeit geeignete Schutzhandschuhe und Schutzkleidung tragen.
Beschreibung
2-Naphthalenthiol has a disagreeable mercaptan-like odor. May be prepared by catalytic hydrogenation of a sulfonic acid derivative of naphthalene; by reduction of naphthalenesulfonyl chloride with zinc.
Chemische Eigenschaften
2-Naphthyl mercaptan has a disagreeable sulfurous, mushroom, meaty odor
Chemische Eigenschaften
Almost white to cream powder
Verwenden
2-Thionaphthol was used in the preparation of cholesterol monolayer and multilayer Langmuir- Blodgett (LB) films. The magnetic resonance shift for a self-assembled monolayer of 2-naphthalenethiol was studied that suggested considerable promise in flexible and transparent photonic devices for biological and chemical sensing.
synthetische
By catalytic hydrogenation of a sulfonic acid derivative of naphthalene; by reduction of naphthalenesulfonyl chloride with zinc.
Definition
ChEBI: 2-Naphthalenethiol is a member of naphthalenes.
Taste threshold values
Taste characteristics at 10 ppm: sulfurous, meaty, brown, roasted, chicken, eggy with a slight nutty nuance
Synthesis Reference(s)
The Journal of Organic Chemistry, 31, p. 3980, 1966 DOI: 10.1021/jo01350a023
Tetrahedron Letters, 37, p. 4523, 1996 DOI: 10.1016/0040-4039(96)00873-8
Allgemeine Beschreibung
The magnetic resonance shift for a self-assembled monolayer of 2-naphthalenethiol was studied that suggested considerable promise in flexible and transparent photonic devices for biological and chemical sensing.
Sicherheitsprofil
Poison by ingestion and intraperitoneal routes. A mosquito larvicide. When heated to decomposition it emits highly toxic fumes of SOx.
läuterung methode
It is steam volatile. It has to be distilled under Ar or N2, as it oxidises to the disulfide, and crystallises from EtOH. The S-methyl derivative has m 104-105o (from *C6H6/pet ether), and the S-ethyl derivative M 188.2, has m 16o and b 175-170.5o/15mm. The S-acetate has m 53.5o and b 191o/15mm, and the diethylamine salt forms yellow needles m 107o from dioxane. [Beilstein 6 H 657, 6 I 316, 6 II 610, 6 III 3006, 6 IV 4312.]

2-Naphthalenethiol Upstream-Materialien And Downstream Produkte

Naphthalin-2-thiol Anbieter Lieferant Produzent Hersteller Vertrieb Händler.

91-60-1, 2-Naphthalenethiol Verwandte Suche:

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