Shanghai Nianxing Industrial Co., Ltd
China
Product Name: 1,4-Diethynylbenzene
Price:
Purity: 98.0%
Stocking Period: 10 Day
Contact: Yang

Shanghai Jizhi Biochemical Technology Co., Ltd
China
Product Name: 1,4-Diethynylbenzene
Price: ￥1018.0/5g ￥268.0/1g
Purity: 97.0%
Stocking Period: 3 Day
Contact: Liu jia

Dayang Chem (Hangzhou) Co., Ltd.
China
Product Name: 1,4-Diethynylbenzene
Price: $Inquiry/100g $Inquiry/1kg $Inquiry/100kg $Inquiry/1000kg
Purity: 98.0%
Stocking Period: Inquiry
Contact: Ms Wang

935-14-8

935-14-8 structure

935-14-8 structure

Name: 1,4-Diethynylbenzene
Chemical Name: 1,4-Diethynylbenzene
CAS Number: 935-14-8
Molecular Formula: C₁₀H₆
Molecular Weight: 126.155
Catalog: Chemical reagent Organic reagent Alkyne
Create Date: 2018-02-15 08:00:00
Modify Date: 2024-01-03 19:02:55

Name	1,4-Diethynylbenzene
Synonyms	MFCD00078375 1,4-diacetylenebenzene Benzene, 1,4-diethynyl- p-Diethynylbenzene 1,4-Diethynyl-benzene Diethynylbenzene 1,4-phenylene-diacetylene Benzene,1,4-diethynyl para-diethynylbenzene Benzene,p-diethynyl-(7CI,8CI) 1,4-Bis(ethynyl)benzene

Density	1.0±0.1 g/cm3
Boiling Point	182.8±23.0 °C at 760 mmHg
Melting Point	94-98 °C(lit.)
Molecular Formula	C₁₀H₆
Molecular Weight	126.155
Flash Point	51.9±16.7 °C
Exact Mass	126.046951
LogP	2.58
Vapour Pressure	1.1±0.2 mmHg at 25°C
Index of Refraction	1.567
Storage condition	Refrigerator (+4°C)

CHEMICAL IDENTIFICATION

RTECS NUMBER :: CZ5643000

CHEMICAL NAME :: Benzene, 1,4-diethynyl-

CAS REGISTRY NUMBER :: 935-14-8

BEILSTEIN REFERENCE NO. :: 2038365

LAST UPDATED :: 199612

DATA ITEMS CITED :: 1

MOLECULAR FORMULA :: C10-H6

HEALTH HAZARD DATA

ACUTE TOXICITY DATA

TYPE OF TEST :: LD50 - Lethal dose, 50 percent kill

ROUTE OF EXPOSURE :: Unreported

SPECIES OBSERVED :: Rodent - mouse

DOSE/DURATION :: 4500 mg/kg

TOXIC EFFECTS :: Behavioral - altered sleep time (including change in righting reflex) Lungs, Thorax, or Respiration - respiratory stimulation

REFERENCE :: GTPZAB Gigiena Truda i Professional'nye Zabolevaniya. Labor Hygiene and Occupational Diseases. (V/O Mezhdunarodnaya Kniga, 113095 Moscow, USSR) V.1-36, 1957-1992. For publisher information, see MTPEEI Volume(issue)/page/year: 30(5),59,1986

Hazard Codes	Xi: Irritant;
Risk Phrases	R43;R52/53
Safety Phrases	S37/39
RIDADR	1325
WGK Germany	3
RTECS	CZ5643000
HS Code	2902909090

Precursor 9
17938-13-5 77295-67-1 2344-53-8 1009-61-6
624-38-4 106-37-6 623-27-8 56506-90-2
1066-54-2
DownStream 8
141135-34-4 1009-61-6 42472-69-5 183022-61-9
2344-53-8 619-58-9 1849-27-0 17938-13-5

HS Code	2902909090
Summary	2902909090 other aromatic hydrocarbons。Supervision conditions:None。VAT:17.0%。Tax rebate rate:9.0%。MFN tariff:2.0%。General tariff:30.0%