Shanghai Nianxing Industrial Co., Ltd
China
Product Name: Palmitic acid
Price: Check
Purity: 98.0%
Stocking Period: 10 Day
Contact: Yang
Email: sales@echemcloud.com

Dayang Chem (Hangzhou) Co., Ltd.
China
Product Name: alpha,alpha'-Dichloro-p-xylene
Price: $Inquiry/100g $Inquiry/1kg $Inquiry/100kg $Inquiry/1000kg
Purity: 98.0%
Stocking Period: Inquiry
Contact: Ms Wang
Email: enquiry@dycnchem.com

Henan Tianfu Chemical Co., Ltd.
China
Product Name: alpha,alpha'-Dichloro-p-xylene
Price: $Inquiry/1kg $Inquiry/25kg $Inquiry/1000kg $Inquiry/10ton
Purity: 99.0%
Stocking Period: Inquiry
Contact: Anson
Email: info@tianfuchem.com

Zhongshan Xingrui Chemical Co. , Ltd.
China
Product Name: 1,4-Bis(chloromethyl)benzene
Price: ￥Inquiry/25kg
Purity: 99.0%
Stocking Period: Inquiry
Contact: Wang Jie
Email: 3096638339@qq.com

623-25-6

623-25-6 structure

623-25-6 structure

Name: 1,4-Bis(chloromethyl)benzene
Chemical Name: alpha,alpha'-Dichloro-p-xylene
CAS Number: 623-25-6
Molecular Formula: C₈H₈Cl₂
Molecular Weight: 175.055
Catalog: Organic raw materials Hydrocarbon compounds and their derivatives Hydrocarbon halide
Create Date: 2018-04-10 08:00:00
Modify Date: 2026-06-30 10:36:26

Name	alpha,alpha'-Dichloro-p-xylene
Synonyms	DICHLORO(ALPHA, ALPHA'-)-P-XYLENE ALPHA,ALPHA-DICHLORO-P-XYLENE α,α′-Dichloro-p-xylene Alpha'-Dichloro-P-Xylene α,α'-Dichloro-p-xylene > alpha,alpha’-dichloro-p-xylen α,αˊ-Dichloro-1,4-xylene p-Xylylene A,A-DICHLORO-P-XYLENE RSSYY(Perospirone Hydrochloride Hydrate)-4 p-Xylene, alpha,alpha'-dichloro ALPHA,ALPHA'-DICHLORO-4-XYLENE αα''-Dichloro-p-xylene 1,4-p-Dichlorobenzyl Pa Xylylene dichloride / a-a’ Dichloro-P-Xylene 1,4-of the twobenzyl chloride alpha,alpha'-Dichlorop-dimethylbenzene MFCD00000920 G1R D1G 1,4-bis(chloromethyl)-benzen P-XYLYLENE DICHLORIDE EINECS 210-782-7 p-Xylylene Chloride p-Xylylene Dichloride p-Dichloroxylene à,à'-dichloro-p-xylene p-Xylene-alpha,alpha'-dichloride CHLORO-(P-CHLOROMETHYL)PHENYLMETHANE P-PHENYLENEDIMETHYLENECHLORIDE Benzene, p-bis(chloromethyl) p-Xylylenedichloride 1,4-DI(CHLOROMETHYL)BENZENE P-XYLENE DICHLORIDE XYLENEDICHLORIDE-P alpha,alpha'-Dichlor 1,4-Bis(chloromethyl)benzene, p-Xylylene dichloride 21645 α,α'-Dichloro-p-xylene 1,4-BIS-(CHLORMETHYL)-BENZENE PA-XYLENEDICHLORIDE 4-Bis(chloroMethyl)benzene alpha,alpha'-Dichloro-p-xylene ISO 9001：2015 REACH 1,4-Bis(chloromethyl)-benzene Alpha,Alpha'-Dichloro-P-Xylene 1,4-p-Dichlorobenzene a,a-Dichloroxylene ALPHAALPHADICHLOROPAXYLENE DICHLORO-P-XYLENE P-XYLYLENE CHLORIDE PXCL2 Benzene,1,4-bis(chloromethyl) p-Bis(chloromethyl)benzene 1,4-BIS(CHLOROMETHYL)BENZENE ALPHA,ALPHA''-DICHLORO-P-XYLENE / 1,4-BIS(CHLOROMETHYL)BENZENE a-a'Dichloro-P-Xylene(1:4BisChloroMethylP-Xylene) 1,4-Xylylene dichloride A,A'-DICHLORO-P-XYLENE

Density	1.2±0.1 g/cm3
Boiling Point	242.5±0.0 °C at 760 mmHg
Melting Point	98-101 °C(lit.)
Molecular Formula	C₈H₈Cl₂
Molecular Weight	175.055
Flash Point	119.2±15.1 °C
Exact Mass	174.000305
LogP	2.76
Vapour Pressure	0.1±0.4 mmHg at 25°C
Index of Refraction	1.545
Storage condition	2-8°C
Water Solubility	hydrolysis

CHEMICAL IDENTIFICATION

RTECS NUMBER :: ZE4100000

CHEMICAL NAME :: p-Xylene, alpha,alpha'-dichloro-

CAS REGISTRY NUMBER :: 623-25-6

BEILSTEIN REFERENCE NO. :: 0774706

LAST UPDATED :: 199712

DATA ITEMS CITED :: 7

MOLECULAR FORMULA :: C8-H8-Cl2

MOLECULAR WEIGHT :: 175.06

WISWESSER LINE NOTATION :: G1R D1G

HEALTH HAZARD DATA

ACUTE TOXICITY DATA

TYPE OF TEST :: Standard Draize test

ROUTE OF EXPOSURE :: Administration onto the skin

SPECIES OBSERVED :: Rodent - rabbit

TYPE OF TEST :: Standard Draize test

ROUTE OF EXPOSURE :: Administration into the eye

SPECIES OBSERVED :: Rodent - rabbit

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

ROUTE OF EXPOSURE :: Oral

SPECIES OBSERVED :: Rodent - rat

DOSE/DURATION :: 1280 mg/kg

TOXIC EFFECTS :: Behavioral - somnolence (general depressed activity) Behavioral - muscle weakness Gastrointestinal - hypermotility, diarrhea

TYPE OF TEST :: LDLo - Lowest published lethal dose

ROUTE OF EXPOSURE :: Administration onto the skin

SPECIES OBSERVED :: Rodent - rabbit

DOSE/DURATION :: 501 mg/kg

TOXIC EFFECTS :: Behavioral - somnolence (general depressed activity) Behavioral - muscle weakness Liver - other changes

MUTATION DATA

TYPE OF TEST :: Mutation in microorganisms

TEST SYSTEM :: Bacteria - Salmonella typhimurium

DOSE/DURATION :: 100 ug/plate

REFERENCE :: MUREAV Mutation Research. (Elsevier Science Pub. B.V., POB 211, 1000 AE Amsterdam, Netherlands) V.1- 1964- Volume(issue)/page/year: 191,79,1987

Symbol	GHS07, GHS09
Signal Word	Warning
Hazard Statements	H302-H315-H319-H410
Precautionary Statements	P273-P305 + P351 + P338-P501
Personal Protective Equipment	dust mask type N95 (US);Eyeshields;Gloves
Hazard Codes	T+:Verytoxic;
Risk Phrases	R22;R26;R36/37/38
Safety Phrases	S26-S36/37-S45-S36/37/39-S28A
RIDADR	3261
WGK Germany	3
RTECS	ZE4100000
Packaging Group	II
Hazard Class	6.1
HS Code	29036990

Precursor 10
50-00-0 71-43-2 106-42-3 10362-03-5
100-44-7 108-88-3 542-88-1 589-29-7
104-82-5 128-09-6
DownStream 10
1953-55-5 283-80-7 283-81-8 538-39-6
2962-72-3 23602-85-9 25596-72-9 30362-89-1
61895-53-2 30391-55-0

HS Code	2903999090
Summary	2903999090 halogenated derivatives of aromatic hydrocarbons VAT:17.0% Tax rebate rate:9.0% Supervision conditions:none MFN tariff:5.5% General tariff:30.0%

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