Breckland Scientific 2021 Catalogue

Chemicals BE - BE

Beeswax (White) UN Class: N/A Cas No.: 8012-89-3

Benzene-1,4-Diol see Hydroquinone

EC No.: 232-383-7 Index No.: Not listed

Benzene-1,2,3-Triol see Pyrogallol

Hazard: Not considered hazardous Precaution: No additional precautions required Cat No. Grade Assay (%) Info.

Benzene-1,2,5-Triol see Phloroglucinol

Price Per

Benzil (1,2-Diphenylethane-1,2-dione)

S0001361-500G

>97%

16.15 500g

C₁₄H₁₀O₂ = 210.23g/mol

For wax candles see page 107

UN Class: N/A Cas No.: 134-81-6

EC No.: 205-157-0 Index No.: Not listed

Warning

Benedict’s Solution Qualitative

Hazard: H315 H319 H335 Precaution: P261 P305+P351+P338 P302+P352 Cat No. Grade Assay (%) Info.

N/A

Price Per

UN Class: 9 /UN3082 PG-III Cas No.: N/A

EC No.: N/A Index No.: Not listed

Warning

98%

9.07 25g

S0003054-25G

Hazard: H319 H411 Precaution: P273 P305+P351+P338 Notes: For determination of reducing sugars Colour change: Blue to Green to Yellow to Orange to Red Cat No. Grade Assay (%) Info.

Benzoic Acid (Benzenecarboxylic Acid)

C₆H₅COOH = 122.12g/mol

Price Per

UN Class: N/A Cas No.: 65-85-0

EC No.: 200-618-2 Index No.: Not listed

Warning

N/A N/A

3.43 500ml

S0001041-500ML

Hazard: H318 H335 H372 Precaution: P301+P312 P305+P351+P338 P280 P261 Cat No. Grade Assay (%) Info.

S0001041-2.5L

10.24 2.5L

Benedict’s Solution Quantitative

Price Per

98.5%

10.82 250g

S0001046-250G

N/A

Benzophenone (Diphenyl Ketone)

UN Class: 9 /UN3082 PG-III Cas No.: N/A

EC No.: N/A Index No.: Not listed

Warning

C₆H₅COC₆H₅ = 182.22g/mol

Hazard: H319 H411 Precaution: P273 P305+P351+P338 Notes: For determination of reducing sugars Colour change: Blue to white/pale green Cat No. Grade Assay (%) Info.

UN Class: N/A Cas No.: 119-61-9 Hazard: H410 Precaution: P273 Cat No.

EC No.: 204-337-6 Index No.: Not listed

Warning

Price Per

N/A N/A

12.77 500ml

S0002031-500ML

Grade Assay (%) Info.

Price Per

S0002031-2.5L

36.97 2.5L

99%

15.35 250g

S0001844-250G

Benzaldehyde

C₆H₅ . CHO = 106.12g/mol

UN Class: 9 /UN1990 PG-III Cas No.: 100-52-7

EC No.: 202-860-4 Index No.: 605-012-00-5

Warning

Hazard: H302 Precaution: P301+P312 Notes: Distillation range 175-183°C Cat No.

For labels see page 254- 265

Grade Assay (%) Info.

Price Per

98% 98%

6.95 100ml 18.41 500ml

S6101519-100ML S6101519-500ML

Benzoyl Chloride

C₆H₅COCl = 140.57g/mol

Benzene-1,2-Dicarboxylic Acid see Phthalic Acid

UN Class: 8 /UN1736 PG-II Cas No.: 98-88-4

EC No.: 202-710-8 Index No.: 607-012-00-0

Danger

Benzene-1,2-Dicarboxylic Anhydride see Phthalic Ahhydride

Hazard: H314 H302 H312 H332 Precaution: P280 P305+P351+P338 P310 Cat No.

Benzene-1,2-Diol see Catechol

Grade Assay (%) Info.

Price Per

Benzene-1,3-Diol see Resorcinol

99%

8.72 100ml

S8001047-100ML

11

www.brecklandscientific.co.uk T: 01785 227227 | sales@brec landscientific.co.uk | F: 01785 227444