do these fit the Rothenburger blowtorches?

They should do they Appear to be the standard fitting

What colour should they be when burning?

They do not actually burn. Rather they contain an inflamable gas designed to be fed to a blowtorch suitable for combustion, in order that it produces a flame. This flame will be blue if all is correct. But as with any flame of this type you should really know what you are doing to be safe.

Can I use these for a Coleman outdoor stove rather than the Coleman propane gas cylinders?

I rather doubt it. I believe the gas mix burns at a far higher temperature and intensity, so probably unsafe. I am not sure if the connection is the same anyway.

ASIN	B07KK1FC2P
Batteries Required?	No
Batteries included?	No
Best Sellers Rank	1,285 in DIY & Tools ( See Top 100 in DIY & Tools ) 5 in Soldering & Desoldering Equipment
Customer Reviews	4.7 4.7 out of 5 stars (1,423)
Date First Available	14 Nov. 2018
Item Package Quantity	1
Item Weight	453 g
Manufacturer	TODAYS TOOLS
Manufacturer reference	MAPP GAS
Material	Metal
Package Dimensions	10 x 5 x 3 cm; 453 g
Part Number	MAPP GAS

Map-Plus Gas x2

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