Shanghai Nianxing Industrial Co., Ltd
China
Product Name: 4,4'-Biphenyldicarbaldehyde
Price: Check
Purity: 98.0%
Stocking Period: 10 Day
Contact: Yang
Email: sales@echemcloud.com

Shanghai Jizhi Biochemical Technology Co., Ltd
China
Product Name: 4,4'-Biphenyldicarbaldehyde
Price: ￥248.0/5g
Purity: 98.0%
Stocking Period: 3 Day
Contact: Liu jia
Email: 2130147988@qq.com

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

66-98-8

66-98-8 structure

66-98-8 structure

Name: 4,4'-Biphenyldicarbaldehyde
Chemical Name: 4,4-Biphenyldicarboxaldehyde
CAS Number: 66-98-8
Molecular Formula: C₁₄H₁₀O₂
Molecular Weight: 210.228
Catalog: Chemical reagent Organic reagent Polycyclic compound
Create Date: 2018-05-27 08:00:00
Modify Date: 2025-08-21 10:49:43

Name	4,4-Biphenyldicarboxaldehyde
Synonyms	4,4'-Biphenyldicarbaldehyde (1,1'-Biphenyl)-4,4'-dicarboxaldehyde (9CI) [1,1'-Biphenyl]-4,4'-dicarboxaldehyde Biphenyl-4,4'-dicarbaldehyde 4-(4-formylphenyl)benzaldehyde MFCD00016714

Density	1.2±0.1 g/cm3
Boiling Point	391.7±35.0 °C at 760 mmHg
Melting Point	148 °C
Molecular Formula	C₁₄H₁₀O₂
Molecular Weight	210.228
Flash Point	146.8±22.9 °C
Exact Mass	210.068085
PSA	34.14000
LogP	2.60
Vapour Pressure	0.0±0.9 mmHg at 25°C
Index of Refraction	1.643
Storage condition	Refrigerator

CHEMICAL IDENTIFICATION

RTECS NUMBER :: DV2800200

CHEMICAL NAME :: 4,4'-Biphenyldicarboxaldehyde

CAS REGISTRY NUMBER :: 66-98-8

BEILSTEIN REFERENCE NO. :: 2254807

LAST UPDATED :: 199709

DATA ITEMS CITED :: 1

MOLECULAR FORMULA :: C14-H10-O2

MOLECULAR WEIGHT :: 210.24

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 :: 1500 mg/kg

TOXIC EFFECTS :: Details of toxic effects not reported other than lethal dose value

REFERENCE :: FRPSAX Farmaco, Edizione Scientifica. (Casella Postale 227, 27100 Pavia, Italy) V.8-43 1953-88 For publisher information, see FRMCE8 Volume(issue)/page/year: 19,964,1964

Hazard Codes	Xi
RTECS	DV2800200
HS Code	2912299000

Precursor 10
613-33-2 1122-91-4 1591-30-6 87199-17-5
1667-12-5 88373-27-7 15164-44-0 104-88-1
4394-85-8 92-86-4
DownStream 0

HS Code	2912299000
Summary	2912299000. other cyclic aldehydes without other oxygen function. VAT:17.0%. Tax rebate rate:13.0%. . MFN tariff:5.5%. General tariff:30.0%

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