Dayang Chem (Hangzhou) Co., Ltd.
China
Product Name: Butane,1,2-dibromo-3,3-dimethyl-
Price: $Inquiry/100g $Inquiry/1kg $Inquiry/100kg $Inquiry/1000kg
Purity: 98.0%
Stocking Period: Inquiry
Contact: Ms Wang
Email: enquiry@dycnchem.com

640-21-1

640-21-1 structure

Name: Butane,1,2-dibromo-3,3-dimethyl-
Chemical Name: 1,2-dibromo-3,3-dimethylbutane
CAS Number: 640-21-1
Molecular Formula: C₆H₁₂Br₂
Molecular Weight: 243.96700
Create Date: 2018-12-31 16:26:23
Modify Date: 2025-08-25 20:56:39

Name	1,2-dibromo-3,3-dimethylbutane
Synonyms	Pseudobutylaethylendibromid MFCD00075421 1,2-Dibrom-3,3-dimethyl-butan Butane,1,2-dibromo-3,3-dimethyl 3,4-dibromo-2,2-dimethyl

Density	1.61 g/mL at 25ºC(lit.)
Boiling Point	73ºC3 mm Hg(lit.)
Molecular Formula	C₆H₁₂Br₂
Molecular Weight	243.96700
Flash Point	183 °F
Exact Mass	241.93100
LogP	3.19090
Index of Refraction	n20/D 1.5053(lit.)

Hazard Codes	Xn
Risk Phrases	20/21/22-36/37/38
Safety Phrases	26-36/37/39
HS Code	2903399090

558-37-2

~94%

640-21-1

Literature: Pels, Kevin; Dragojlovic, Veljko Beilstein Journal of Organic Chemistry, 2009 , vol. 5, art. no. A75

558-37-2

30432-16-7

1647-23-0

640-21-1

Literature: Collier,W.L.; Macomber,R.S. Journal of Organic Chemistry, 1973 , vol. 38, p. 1367 - 1369

128-08-5

558-37-2

123-56-8

72323-45-6

Detail

Literature: Tlumak, Robert L.; Skell Philip S. Journal of the American Chemical Society, 1982 , vol. 104, # 25 p. 7267 - 7274

67-56-1

558-37-2

640-21-1

26356-14-9

Literature: Puterbaugh; Newman Journal of the American Chemical Society, 1957 , vol. 79, p. 3469

558-37-2

105089-47-2

~4%

640-21-1

105089-49-4

Literature: Day, J. C.; Govindaraj, N.; McBain, D. S.; Skell, P. S.; Tanko, J. M. Journal of Organic Chemistry, 1986 , vol. 51, # 25 p. 4959 - 4963

558-37-2

64-17-5

~19%

640-21-1

73694-80-1

Literature: Sera, Akira; Yamada, Hiroshi; Itoh, Kuniaki Bulletin of the Chemical Society of Japan, 1980 , vol. 53, # 1 p. 219 - 221

917-92-0

1647-23-0

640-21-1

Literature: Kuchin, A. V.; Markova, S. A.; Tolstikov, G. A. J. Gen. Chem. USSR (Engl. Transl.), 1988 , vol. 58, # 4 p. 934 - 935,829 - 830

558-37-2

103191-58-8

640-21-1

Literature: Finkelstein, Manuel; Hart, Shirley A.; Moore, W. Michael; Ross, Sidney D.; Eberson, Lennart Journal of Organic Chemistry, 1986 , vol. 51, # 18 p. 3548 - 3551

Precursor 7
558-37-2 128-08-5 67-56-1 105089-47-2
64-17-5 917-92-0 103191-58-8
DownStream 3
917-92-0 33693-77-5 38203-90-6

HS Code	2903399090
Summary	2903399090. brominated,fluorinated or iodinated derivatives of acyclic hydrocarbons. VAT:17.0%. Tax rebate rate:13.0%. . MFN tariff:5.5%. General tariff:30.0%

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