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3,5-Dichlorobenzaldehyde

3,5-Dichlorobenzaldehyde structure

CAS No:
10203-08-4
Formula:
C7H4Cl2O
Chemical Name:
3,5-Dichlorobenzaldehyde
Synonyms:
Benzaldehyde,3,5-dichloro-;3,5-Dichlorobenzaldehyde;NSC 109095;2,6-Dichloro-4-benzaldehyde
Categories:
Chemical Reagents > Organic Reagents

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Description

white to slightly yellow fluffy powder

3,5-Dichlorobenzaldehyde Basic Attributes

Molecular Weight：

175.01

Exact Mass：

175.01

BRN：

2040553

EC Number：

233-499-0

UNII：

M74YU7SE79

NSC Number：

109095

DSSTox ID：

DTXSID2064997

HScode：

29130000

Characteristics

PSA：

17.1

XLogP3：

2.6

Appearance：

white to slightly yellow fluffy powder

Density：

1.3456 (rough estimate)

Melting Point：

65 °C

Boiling Point：

240 °C

Flash Point：

235-240°C

Refractive Index：

1.5756 (estimate)

Water Solubility：

Insoluble in water.

Storage Conditions：

Store below +30°C.

Vapor Pressure：

0.0365mmHg at 25°C

Safety Information

Packing level：

III

Hazard category：

Transport codes：

UN 3261 8/PG 2

wgk germany：

hazard class code：

34-36/37/38-22

safety instructions：

26-36/37/39-45-22-37/39

Marks：

C,Xi,Xn

Hazard note：

Corrosive

Precautionary statement(s)：

P280-P305 + P351 + P338-P310

Hazard Statements：

H314

GHS Classification：

|Danger|H314 (97.83%): Causes severe skin burns and eye damage [Danger Skin corrosion/irritation]|P260, P264, P280, P301+P330+P331, P303+P361+P353, P304+P340, P305+P351+P338, P310, P321, P363, P405, and P501|Aggregated GHS information provided by 46 companies from 4 notifications to the ECHA C&L Inventory.

3,5-Dichlorobenzaldehyde Use and Manufacturing

Methods of Manufacturing

(1) device: Referring to Figure 2 to determine the connection of the tubular reactor, the pipeline type is:(3a + 3d) DC-channel+ enhanced hybrid round cake rectangular flat pipe, Pipe diameter and volume based on the flow rate and reaction to determine the residence time, Heat transfer medium for thermal oil.(2) 6.06 g of cobalt acetate and 6.06 g of sodium molybdate were dissolved respectively200ml3, 5 - dichloro toluene and200ml acetic acid to form a mixed solution, In this case, n (cobalt acetate): n (3, 5-dichlorotoluene) = 0.015: 1, 6.06 g of sodium bromide was dissolved in 20percent H2O2 to form a H2O2-acetic acid solution, where n (sodium bromide): n (3, 5-dichlorotoluene) = 0.015: 1, 3, 5-dichlorotoluene-acetic acid Solution and andH2O2-acetic acid solution respectively to 8.33ml / min andThe flow rate of 16.67 ml / min was injected into the tubular reactor which was continuously heat-exchanging by the constant current pump, at this time, n (H2O2): n (3, 5-dichlorotoluene) = 2:Using the microchannel reactor of Figure 2, The reaction temperature was controlled at 105 ° C and the residence time was 600 s.The outlet was cooled at 0 ° C and the reaction quenched with dichloromethane.After GC analysis, 3, 5-dichlorotoluene conversion rate of 60.8percentThe yield of 3, 5-dichlorobenzaldehyde was 39.2percent.

Manufacturing Info：

Benzaldehyde, 3,5-dichloro-: INACTIVE

Computed Properties

Molecular Weight:175.01
XLogP3:2.6
Hydrogen Bond Acceptor Count:1
Rotatable Bond Count:1
Exact Mass:173.9639201
Monoisotopic Mass:173.9639201
Topological Polar Surface Area:17.1
Heavy Atom Count:10
Complexity:117
Covalently-Bonded Unit Count:1
Compound Is Canonicalized:Yes

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